Home / 83,738.18-125,607.28-39,332.36

Finding the Fourth Proportional to 83,738.18, 125,607.28 and 39,332.36

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Solution

The fourth proportional to 83,738.18, 125,607.28 and 39,332.36 is: 58,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,738.18 : 125,607.28 = 39,332.36 : x
  2. Step 2: Convert to fraction form
    83,738.18/125,607.28 = 39,332.36/x
  3. Step 3: Cross multiply
    83,738.18x = 125,607.28 × 39,332.36
  4. Step 4: Simplify right side
    83,738.18x = 4,940,430,755.58
  5. Step 5: Solve for x
    x = 4,940,430,755.58/83,738.18
  6. Step 6: Final answer
    x = 58,998.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.