Home / 66,490.02-91,754.24-36,275.94

Finding the Fourth Proportional to 66,490.02, 91,754.24 and 36,275.94

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Solution

The fourth proportional to 66,490.02, 91,754.24 and 36,275.94 is: 50,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490.02 : 91,754.24 = 36,275.94 : x
  2. Step 2: Convert to fraction form
    66,490.02/91,754.24 = 36,275.94/x
  3. Step 3: Cross multiply
    66,490.02x = 91,754.24 × 36,275.94
  4. Step 4: Simplify right side
    66,490.02x = 3,328,471,123.61
  5. Step 5: Solve for x
    x = 3,328,471,123.61/66,490.02
  6. Step 6: Final answer
    x = 50,059.71

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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.