Home / 71,683.28-98,882.88-43,398.08

Finding the Fourth Proportional to 71,683.28, 98,882.88 and 43,398.08

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Solution

The fourth proportional to 71,683.28, 98,882.88 and 43,398.08 is: 59,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,683.28 : 98,882.88 = 43,398.08 : x
  2. Step 2: Convert to fraction form
    71,683.28/98,882.88 = 43,398.08/x
  3. Step 3: Cross multiply
    71,683.28x = 98,882.88 × 43,398.08
  4. Step 4: Simplify right side
    71,683.28x = 4,291,327,136.87
  5. Step 5: Solve for x
    x = 4,291,327,136.87/71,683.28
  6. Step 6: Final answer
    x = 59,865.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.