Home / 54,386.13-75,053.06-31,740.75

Finding the Fourth Proportional to 54,386.13, 75,053.06 and 31,740.75

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Solution

The fourth proportional to 54,386.13, 75,053.06 and 31,740.75 is: 43,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.13 : 75,053.06 = 31,740.75 : x
  2. Step 2: Convert to fraction form
    54,386.13/75,053.06 = 31,740.75/x
  3. Step 3: Cross multiply
    54,386.13x = 75,053.06 × 31,740.75
  4. Step 4: Simplify right side
    54,386.13x = 2,382,240,414.20
  5. Step 5: Solve for x
    x = 2,382,240,414.20/54,386.13
  6. Step 6: Final answer
    x = 43,802.35

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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.