Home / 60,427.20-90,531.45-51,679.20

Finding the Fourth Proportional to 60,427.20, 90,531.45 and 51,679.20

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Solution

The fourth proportional to 60,427.20, 90,531.45 and 51,679.20 is: 77,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.20 : 90,531.45 = 51,679.20 : x
  2. Step 2: Convert to fraction form
    60,427.20/90,531.45 = 51,679.20/x
  3. Step 3: Cross multiply
    60,427.20x = 90,531.45 × 51,679.20
  4. Step 4: Simplify right side
    60,427.20x = 4,678,592,910.84
  5. Step 5: Solve for x
    x = 4,678,592,910.84/60,427.20
  6. Step 6: Final answer
    x = 77,425.28

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1.5x scale

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.