Home / 60,202.20-90,335.70-51,476.88

Finding the Fourth Proportional to 60,202.20, 90,335.70 and 51,476.88

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Solution

The fourth proportional to 60,202.20, 90,335.70 and 51,476.88 is: 77,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,202.20 : 90,335.70 = 51,476.88 : x
  2. Step 2: Convert to fraction form
    60,202.20/90,335.70 = 51,476.88/x
  3. Step 3: Cross multiply
    60,202.20x = 90,335.70 × 51,476.88
  4. Step 4: Simplify right side
    60,202.20x = 4,650,199,988.62
  5. Step 5: Solve for x
    x = 4,650,199,988.62/60,202.20
  6. Step 6: Final answer
    x = 77,243.02

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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.