Home / 65,723.60-98,585.40-60,654.80

Finding the Fourth Proportional to 65,723.60, 98,585.40 and 60,654.80

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Solution

The fourth proportional to 65,723.60, 98,585.40 and 60,654.80 is: 90,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.60 : 98,585.40 = 60,654.80 : x
  2. Step 2: Convert to fraction form
    65,723.60/98,585.40 = 60,654.80/x
  3. Step 3: Cross multiply
    65,723.60x = 98,585.40 × 60,654.80
  4. Step 4: Simplify right side
    65,723.60x = 5,979,677,719.92
  5. Step 5: Solve for x
    x = 5,979,677,719.92/65,723.60
  6. Step 6: Final answer
    x = 90,982.20

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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.