Home / 66,178.08-91,327.50-37,892.88

Finding the Fourth Proportional to 66,178.08, 91,327.50 and 37,892.88

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Solution

The fourth proportional to 66,178.08, 91,327.50 and 37,892.88 is: 52,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.08 : 91,327.50 = 37,892.88 : x
  2. Step 2: Convert to fraction form
    66,178.08/91,327.50 = 37,892.88/x
  3. Step 3: Cross multiply
    66,178.08x = 91,327.50 × 37,892.88
  4. Step 4: Simplify right side
    66,178.08x = 3,460,661,998.20
  5. Step 5: Solve for x
    x = 3,460,661,998.20/66,178.08
  6. Step 6: Final answer
    x = 52,293.18

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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.