Home / 83,962.20-125,943.30-64,935.30

Finding the Fourth Proportional to 83,962.20, 125,943.30 and 64,935.30

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Solution

The fourth proportional to 83,962.20, 125,943.30 and 64,935.30 is: 97,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962.20 : 125,943.30 = 64,935.30 : x
  2. Step 2: Convert to fraction form
    83,962.20/125,943.30 = 64,935.30/x
  3. Step 3: Cross multiply
    83,962.20x = 125,943.30 × 64,935.30
  4. Step 4: Simplify right side
    83,962.20x = 8,178,165,968.49
  5. Step 5: Solve for x
    x = 8,178,165,968.49/83,962.20
  6. Step 6: Final answer
    x = 97,402.95

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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.