Home / 54,339.16-75,001.38-33,130.12

Finding the Fourth Proportional to 54,339.16, 75,001.38 and 33,130.12

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Solution

The fourth proportional to 54,339.16, 75,001.38 and 33,130.12 is: 45,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.16 : 75,001.38 = 33,130.12 : x
  2. Step 2: Convert to fraction form
    54,339.16/75,001.38 = 33,130.12/x
  3. Step 3: Cross multiply
    54,339.16x = 75,001.38 × 33,130.12
  4. Step 4: Simplify right side
    54,339.16x = 2,484,804,719.57
  5. Step 5: Solve for x
    x = 2,484,804,719.57/54,339.16
  6. Step 6: Final answer
    x = 45,727.70

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Double scale
Find fourth proportional to 54,340.16, 75,002.76 and 33,131.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.