Home / 66,944.31-92,385.89-40,081.47

Finding the Fourth Proportional to 66,944.31, 92,385.89 and 40,081.47

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Solution

The fourth proportional to 66,944.31, 92,385.89 and 40,081.47 is: 55,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,944.31 : 92,385.89 = 40,081.47 : x
  2. Step 2: Convert to fraction form
    66,944.31/92,385.89 = 40,081.47/x
  3. Step 3: Cross multiply
    66,944.31x = 92,385.89 × 40,081.47
  4. Step 4: Simplify right side
    66,944.31x = 3,702,962,278.46
  5. Step 5: Solve for x
    x = 3,702,962,278.46/66,944.31
  6. Step 6: Final answer
    x = 55,314.07

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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.