Home / 65,773.08-98,528.40-40,753.80

Finding the Fourth Proportional to 65,773.08, 98,528.40 and 40,753.80

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Solution

The fourth proportional to 65,773.08, 98,528.40 and 40,753.80 is: 61,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,773.08 : 98,528.40 = 40,753.80 : x
  2. Step 2: Convert to fraction form
    65,773.08/98,528.40 = 40,753.80/x
  3. Step 3: Cross multiply
    65,773.08x = 98,528.40 × 40,753.80
  4. Step 4: Simplify right side
    65,773.08x = 4,015,406,707.92
  5. Step 5: Solve for x
    x = 4,015,406,707.92/65,773.08
  6. Step 6: Final answer
    x = 61,049.39

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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.