Home / 84,366.02-126,501.10-34,387.58

Finding the Fourth Proportional to 84,366.02, 126,501.10 and 34,387.58

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Solution

The fourth proportional to 84,366.02, 126,501.10 and 34,387.58 is: 51,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,366.02 : 126,501.10 = 34,387.58 : x
  2. Step 2: Convert to fraction form
    84,366.02/126,501.10 = 34,387.58/x
  3. Step 3: Cross multiply
    84,366.02x = 126,501.10 × 34,387.58
  4. Step 4: Simplify right side
    84,366.02x = 4,350,065,977.86
  5. Step 5: Solve for x
    x = 4,350,065,977.86/84,366.02
  6. Step 6: Final answer
    x = 51,561.83

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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.