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Finding the Fourth Proportional to 64,884.58, 89,537.98 and 36,592.90

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Solution

The fourth proportional to 64,884.58, 89,537.98 and 36,592.90 is: 50,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.58 : 89,537.98 = 36,592.90 : x
  2. Step 2: Convert to fraction form
    64,884.58/89,537.98 = 36,592.90/x
  3. Step 3: Cross multiply
    64,884.58x = 89,537.98 × 36,592.90
  4. Step 4: Simplify right side
    64,884.58x = 3,276,454,348.34
  5. Step 5: Solve for x
    x = 3,276,454,348.34/64,884.58
  6. Step 6: Final answer
    x = 50,496.66

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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.