Home / 90,312.28-124,629.62-50,025.92

Finding the Fourth Proportional to 90,312.28, 124,629.62 and 50,025.92

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Solution

The fourth proportional to 90,312.28, 124,629.62 and 50,025.92 is: 69,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,312.28 : 124,629.62 = 50,025.92 : x
  2. Step 2: Convert to fraction form
    90,312.28/124,629.62 = 50,025.92/x
  3. Step 3: Cross multiply
    90,312.28x = 124,629.62 × 50,025.92
  4. Step 4: Simplify right side
    90,312.28x = 6,234,711,399.75
  5. Step 5: Solve for x
    x = 6,234,711,399.75/90,312.28
  6. Step 6: Final answer
    x = 69,035.03

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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.