Home / 90,580.40-125,001.20-50,294.24

Finding the Fourth Proportional to 90,580.40, 125,001.20 and 50,294.24

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Solution

The fourth proportional to 90,580.40, 125,001.20 and 50,294.24 is: 69,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,580.40 : 125,001.20 = 50,294.24 : x
  2. Step 2: Convert to fraction form
    90,580.40/125,001.20 = 50,294.24/x
  3. Step 3: Cross multiply
    90,580.40x = 125,001.20 × 50,294.24
  4. Step 4: Simplify right side
    90,580.40x = 6,286,840,101.62
  5. Step 5: Solve for x
    x = 6,286,840,101.62/90,580.40
  6. Step 6: Final answer
    x = 69,406.19

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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.