Home / 88,923.46-122,834.19-71,145.58

Finding the Fourth Proportional to 88,923.46, 122,834.19 and 71,145.58

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Solution

The fourth proportional to 88,923.46, 122,834.19 and 71,145.58 is: 98,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.46 : 122,834.19 = 71,145.58 : x
  2. Step 2: Convert to fraction form
    88,923.46/122,834.19 = 71,145.58/x
  3. Step 3: Cross multiply
    88,923.46x = 122,834.19 × 71,145.58
  4. Step 4: Simplify right side
    88,923.46x = 8,739,109,691.38
  5. Step 5: Solve for x
    x = 8,739,109,691.38/88,923.46
  6. Step 6: Final answer
    x = 98,276.76

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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.