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Finding the Fourth Proportional to 65,601.60, 98,229.60 and 51,662.40

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Solution

The fourth proportional to 65,601.60, 98,229.60 and 51,662.40 is: 77,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,601.60 : 98,229.60 = 51,662.40 : x
  2. Step 2: Convert to fraction form
    65,601.60/98,229.60 = 51,662.40/x
  3. Step 3: Cross multiply
    65,601.60x = 98,229.60 × 51,662.40
  4. Step 4: Simplify right side
    65,601.60x = 5,074,776,887.04
  5. Step 5: Solve for x
    x = 5,074,776,887.04/65,601.60
  6. Step 6: Final answer
    x = 77,357.52

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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.