Home / 90,737.16-125,220.18-50,452.62

Finding the Fourth Proportional to 90,737.16, 125,220.18 and 50,452.62

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Solution

The fourth proportional to 90,737.16, 125,220.18 and 50,452.62 is: 69,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.16 : 125,220.18 = 50,452.62 : x
  2. Step 2: Convert to fraction form
    90,737.16/125,220.18 = 50,452.62/x
  3. Step 3: Cross multiply
    90,737.16x = 125,220.18 × 50,452.62
  4. Step 4: Simplify right side
    90,737.16x = 6,317,686,157.87
  5. Step 5: Solve for x
    x = 6,317,686,157.87/90,737.16
  6. Step 6: Final answer
    x = 69,626.23

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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.