Home / 81,475.93-122,213.99-22,312.11

Finding the Fourth Proportional to 81,475.93, 122,213.99 and 22,312.11

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Solution

The fourth proportional to 81,475.93, 122,213.99 and 22,312.11 is: 33,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,475.93 : 122,213.99 = 22,312.11 : x
  2. Step 2: Convert to fraction form
    81,475.93/122,213.99 = 22,312.11/x
  3. Step 3: Cross multiply
    81,475.93x = 122,213.99 × 22,312.11
  4. Step 4: Simplify right side
    81,475.93x = 2,726,851,988.42
  5. Step 5: Solve for x
    x = 2,726,851,988.42/81,475.93
  6. Step 6: Final answer
    x = 33,468.19

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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.