Home / 83,772.56-125,699.86-39,403.82

Finding the Fourth Proportional to 83,772.56, 125,699.86 and 39,403.82

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Solution

The fourth proportional to 83,772.56, 125,699.86 and 39,403.82 is: 59,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,772.56 : 125,699.86 = 39,403.82 : x
  2. Step 2: Convert to fraction form
    83,772.56/125,699.86 = 39,403.82/x
  3. Step 3: Cross multiply
    83,772.56x = 125,699.86 × 39,403.82
  4. Step 4: Simplify right side
    83,772.56x = 4,953,054,657.47
  5. Step 5: Solve for x
    x = 4,953,054,657.47/83,772.56
  6. Step 6: Final answer
    x = 59,125.02

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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.