Home / 90,098.44-124,343.34-52,380.04

Finding the Fourth Proportional to 90,098.44, 124,343.34 and 52,380.04

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Solution

The fourth proportional to 90,098.44, 124,343.34 and 52,380.04 is: 72,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.44 : 124,343.34 = 52,380.04 : x
  2. Step 2: Convert to fraction form
    90,098.44/124,343.34 = 52,380.04/x
  3. Step 3: Cross multiply
    90,098.44x = 124,343.34 × 52,380.04
  4. Step 4: Simplify right side
    90,098.44x = 6,513,109,122.93
  5. Step 5: Solve for x
    x = 6,513,109,122.93/90,098.44
  6. Step 6: Final answer
    x = 72,288.81

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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.