Home / 90,909.27-125,463.53-50,623.02

Finding the Fourth Proportional to 90,909.27, 125,463.53 and 50,623.02

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Solution

The fourth proportional to 90,909.27, 125,463.53 and 50,623.02 is: 69,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,909.27 : 125,463.53 = 50,623.02 : x
  2. Step 2: Convert to fraction form
    90,909.27/125,463.53 = 50,623.02/x
  3. Step 3: Cross multiply
    90,909.27x = 125,463.53 × 50,623.02
  4. Step 4: Simplify right side
    90,909.27x = 6,351,342,535.35
  5. Step 5: Solve for x
    x = 6,351,342,535.35/90,909.27
  6. Step 6: Final answer
    x = 69,864.63

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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.