Home / 90,015.38-124,221.22-52,292.06

Finding the Fourth Proportional to 90,015.38, 124,221.22 and 52,292.06

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Solution

The fourth proportional to 90,015.38, 124,221.22 and 52,292.06 is: 72,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,015.38 : 124,221.22 = 52,292.06 : x
  2. Step 2: Convert to fraction form
    90,015.38/124,221.22 = 52,292.06/x
  3. Step 3: Cross multiply
    90,015.38x = 124,221.22 × 52,292.06
  4. Step 4: Simplify right side
    90,015.38x = 6,495,782,737.68
  5. Step 5: Solve for x
    x = 6,495,782,737.68/90,015.38
  6. Step 6: Final answer
    x = 72,163.04

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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.