Home / 47,772.84-71,649.92-45,402.06

Finding the Fourth Proportional to 47,772.84, 71,649.92 and 45,402.06

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Solution

The fourth proportional to 47,772.84, 71,649.92 and 45,402.06 is: 68,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.84 : 71,649.92 = 45,402.06 : x
  2. Step 2: Convert to fraction form
    47,772.84/71,649.92 = 45,402.06/x
  3. Step 3: Cross multiply
    47,772.84x = 71,649.92 × 45,402.06
  4. Step 4: Simplify right side
    47,772.84x = 3,253,053,966.84
  5. Step 5: Solve for x
    x = 3,253,053,966.84/47,772.84
  6. Step 6: Final answer
    x = 68,094.21

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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.