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Finding the Fourth Proportional to 64,098.60, 88,473.30 and 36,877.80

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Solution

The fourth proportional to 64,098.60, 88,473.30 and 36,877.80 is: 50,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,098.60 : 88,473.30 = 36,877.80 : x
  2. Step 2: Convert to fraction form
    64,098.60/88,473.30 = 36,877.80/x
  3. Step 3: Cross multiply
    64,098.60x = 88,473.30 × 36,877.80
  4. Step 4: Simplify right side
    64,098.60x = 3,262,700,478.35
  5. Step 5: Solve for x
    x = 3,262,700,478.35/64,098.60
  6. Step 6: Final answer
    x = 50,901.28

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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.