Home / 54,390.24-75,101-35,279.08

Finding the Fourth Proportional to 54,390.24, 75,101 and 35,279.08

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Solution

The fourth proportional to 54,390.24, 75,101 and 35,279.08 is: 48,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.24 : 75,101 = 35,279.08 : x
  2. Step 2: Convert to fraction form
    54,390.24/75,101 = 35,279.08/x
  3. Step 3: Cross multiply
    54,390.24x = 75,101 × 35,279.08
  4. Step 4: Simplify right side
    54,390.24x = 2,649,494,187.08
  5. Step 5: Solve for x
    x = 2,649,494,187.08/54,390.24
  6. Step 6: Final answer
    x = 48,712.68

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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.