Home / 87,188.41-120,326.96-48,950.47

Finding the Fourth Proportional to 87,188.41, 120,326.96 and 48,950.47

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Solution

The fourth proportional to 87,188.41, 120,326.96 and 48,950.47 is: 67,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.41 : 120,326.96 = 48,950.47 : x
  2. Step 2: Convert to fraction form
    87,188.41/120,326.96 = 48,950.47/x
  3. Step 3: Cross multiply
    87,188.41x = 120,326.96 × 48,950.47
  4. Step 4: Simplify right side
    87,188.41x = 5,890,060,700.10
  5. Step 5: Solve for x
    x = 5,890,060,700.10/87,188.41
  6. Step 6: Final answer
    x = 67,555.55

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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.