Home / 65,136.02-97,711.14-20,752.34

Finding the Fourth Proportional to 65,136.02, 97,711.14 and 20,752.34

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Solution

The fourth proportional to 65,136.02, 97,711.14 and 20,752.34 is: 31,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,136.02 : 97,711.14 = 20,752.34 : x
  2. Step 2: Convert to fraction form
    65,136.02/97,711.14 = 20,752.34/x
  3. Step 3: Cross multiply
    65,136.02x = 97,711.14 × 20,752.34
  4. Step 4: Simplify right side
    65,136.02x = 2,027,734,799.07
  5. Step 5: Solve for x
    x = 2,027,734,799.07/65,136.02
  6. Step 6: Final answer
    x = 31,130.78

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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.