Home / 113,033.28-155,988-62,735.04

Finding the Fourth Proportional to 113,033.28, 155,988 and 62,735.04

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Solution

The fourth proportional to 113,033.28, 155,988 and 62,735.04 is: 86,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,033.28 : 155,988 = 62,735.04 : x
  2. Step 2: Convert to fraction form
    113,033.28/155,988 = 62,735.04/x
  3. Step 3: Cross multiply
    113,033.28x = 155,988 × 62,735.04
  4. Step 4: Simplify right side
    113,033.28x = 9,785,913,419.52
  5. Step 5: Solve for x
    x = 9,785,913,419.52/113,033.28
  6. Step 6: Final answer
    x = 86,575.51

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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.