Home / 91,761.80-126,634.86-50,925.65

Finding the Fourth Proportional to 91,761.80, 126,634.86 and 50,925.65

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Solution

The fourth proportional to 91,761.80, 126,634.86 and 50,925.65 is: 70,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.80 : 126,634.86 = 50,925.65 : x
  2. Step 2: Convert to fraction form
    91,761.80/126,634.86 = 50,925.65/x
  3. Step 3: Cross multiply
    91,761.80x = 126,634.86 × 50,925.65
  4. Step 4: Simplify right side
    91,761.80x = 6,448,961,924.98
  5. Step 5: Solve for x
    x = 6,448,961,924.98/91,761.80
  6. Step 6: Final answer
    x = 70,279.38

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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.