Home / 81,177.93-112,025.19-45,367.92

Finding the Fourth Proportional to 81,177.93, 112,025.19 and 45,367.92

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Solution

The fourth proportional to 81,177.93, 112,025.19 and 45,367.92 is: 62,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.93 : 112,025.19 = 45,367.92 : x
  2. Step 2: Convert to fraction form
    81,177.93/112,025.19 = 45,367.92/x
  3. Step 3: Cross multiply
    81,177.93x = 112,025.19 × 45,367.92
  4. Step 4: Simplify right side
    81,177.93x = 5,082,349,857.90
  5. Step 5: Solve for x
    x = 5,082,349,857.90/81,177.93
  6. Step 6: Final answer
    x = 62,607.53

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1.5x scale

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.