Home / 60,385.20-90,468.45-51,637.20

Finding the Fourth Proportional to 60,385.20, 90,468.45 and 51,637.20

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Solution

The fourth proportional to 60,385.20, 90,468.45 and 51,637.20 is: 77,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,385.20 : 90,468.45 = 51,637.20 : x
  2. Step 2: Convert to fraction form
    60,385.20/90,468.45 = 51,637.20/x
  3. Step 3: Cross multiply
    60,385.20x = 90,468.45 × 51,637.20
  4. Step 4: Simplify right side
    60,385.20x = 4,671,537,446.34
  5. Step 5: Solve for x
    x = 4,671,537,446.34/60,385.20
  6. Step 6: Final answer
    x = 77,362.29

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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.