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Finding the Fourth Proportional to 64,159.52, 88,532.40 and 35,475.30

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Solution

The fourth proportional to 64,159.52, 88,532.40 and 35,475.30 is: 48,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.52 : 88,532.40 = 35,475.30 : x
  2. Step 2: Convert to fraction form
    64,159.52/88,532.40 = 35,475.30/x
  3. Step 3: Cross multiply
    64,159.52x = 88,532.40 × 35,475.30
  4. Step 4: Simplify right side
    64,159.52x = 3,140,713,781.64
  5. Step 5: Solve for x
    x = 3,140,713,781.64/64,159.52
  6. Step 6: Final answer
    x = 48,951.64

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1.5x scale

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.