Home / 65,621.60-98,432.40-60,552.80

Finding the Fourth Proportional to 65,621.60, 98,432.40 and 60,552.80

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Solution

The fourth proportional to 65,621.60, 98,432.40 and 60,552.80 is: 90,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,621.60 : 98,432.40 = 60,552.80 : x
  2. Step 2: Convert to fraction form
    65,621.60/98,432.40 = 60,552.80/x
  3. Step 3: Cross multiply
    65,621.60x = 98,432.40 × 60,552.80
  4. Step 4: Simplify right side
    65,621.60x = 5,960,357,430.72
  5. Step 5: Solve for x
    x = 5,960,357,430.72/65,621.60
  6. Step 6: Final answer
    x = 90,829.20

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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.