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Finding the Fourth Proportional to 65,759.60, 90,710.52 and 37,460

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Solution

The fourth proportional to 65,759.60, 90,710.52 and 37,460 is: 51,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,759.60 : 90,710.52 = 37,460 : x
  2. Step 2: Convert to fraction form
    65,759.60/90,710.52 = 37,460/x
  3. Step 3: Cross multiply
    65,759.60x = 90,710.52 × 37,460
  4. Step 4: Simplify right side
    65,759.60x = 3,398,016,079.20
  5. Step 5: Solve for x
    x = 3,398,016,079.20/65,759.60
  6. Step 6: Final answer
    x = 51,673.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.