Home / 88,731.55-122,447.92-50,490.27

Finding the Fourth Proportional to 88,731.55, 122,447.92 and 50,490.27

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Solution

The fourth proportional to 88,731.55, 122,447.92 and 50,490.27 is: 69,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.55 : 122,447.92 = 50,490.27 : x
  2. Step 2: Convert to fraction form
    88,731.55/122,447.92 = 50,490.27/x
  3. Step 3: Cross multiply
    88,731.55x = 122,447.92 × 50,490.27
  4. Step 4: Simplify right side
    88,731.55x = 6,182,428,541.74
  5. Step 5: Solve for x
    x = 6,182,428,541.74/88,731.55
  6. Step 6: Final answer
    x = 69,675.65

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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.