Home / 68,713.02-103,094.10-42,387.12

Finding the Fourth Proportional to 68,713.02, 103,094.10 and 42,387.12

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Solution

The fourth proportional to 68,713.02, 103,094.10 and 42,387.12 is: 63,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,713.02 : 103,094.10 = 42,387.12 : x
  2. Step 2: Convert to fraction form
    68,713.02/103,094.10 = 42,387.12/x
  3. Step 3: Cross multiply
    68,713.02x = 103,094.10 × 42,387.12
  4. Step 4: Simplify right side
    68,713.02x = 4,369,861,987.99
  5. Step 5: Solve for x
    x = 4,369,861,987.99/68,713.02
  6. Step 6: Final answer
    x = 63,595.84

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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.