Home / 90,213.25-124,496.10-49,925.98

Finding the Fourth Proportional to 90,213.25, 124,496.10 and 49,925.98

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Solution

The fourth proportional to 90,213.25, 124,496.10 and 49,925.98 is: 68,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,213.25 : 124,496.10 = 49,925.98 : x
  2. Step 2: Convert to fraction form
    90,213.25/124,496.10 = 49,925.98/x
  3. Step 3: Cross multiply
    90,213.25x = 124,496.10 × 49,925.98
  4. Step 4: Simplify right side
    90,213.25x = 6,215,589,798.68
  5. Step 5: Solve for x
    x = 6,215,589,798.68/90,213.25
  6. Step 6: Final answer
    x = 68,898.86

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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.