Home / 90,744.99-125,228.88-49,909.92

Finding the Fourth Proportional to 90,744.99, 125,228.88 and 49,909.92

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Solution

The fourth proportional to 90,744.99, 125,228.88 and 49,909.92 is: 68,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744.99 : 125,228.88 = 49,909.92 : x
  2. Step 2: Convert to fraction form
    90,744.99/125,228.88 = 49,909.92/x
  3. Step 3: Cross multiply
    90,744.99x = 125,228.88 × 49,909.92
  4. Step 4: Simplify right side
    90,744.99x = 6,250,163,382.49
  5. Step 5: Solve for x
    x = 6,250,163,382.49/90,744.99
  6. Step 6: Final answer
    x = 68,876.13

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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.