Home / 113,037.12-155,997.36-62,737.20

Finding the Fourth Proportional to 113,037.12, 155,997.36 and 62,737.20

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Solution

The fourth proportional to 113,037.12, 155,997.36 and 62,737.20 is: 86,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,037.12 : 155,997.36 = 62,737.20 : x
  2. Step 2: Convert to fraction form
    113,037.12/155,997.36 = 62,737.20/x
  3. Step 3: Cross multiply
    113,037.12x = 155,997.36 × 62,737.20
  4. Step 4: Simplify right side
    113,037.12x = 9,786,837,573.79
  5. Step 5: Solve for x
    x = 9,786,837,573.79/113,037.12
  6. Step 6: Final answer
    x = 86,580.74

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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.