Home / 91,169.47-125,820.18-50,891.07

Finding the Fourth Proportional to 91,169.47, 125,820.18 and 50,891.07

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Solution

The fourth proportional to 91,169.47, 125,820.18 and 50,891.07 is: 70,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,169.47 : 125,820.18 = 50,891.07 : x
  2. Step 2: Convert to fraction form
    91,169.47/125,820.18 = 50,891.07/x
  3. Step 3: Cross multiply
    91,169.47x = 125,820.18 × 50,891.07
  4. Step 4: Simplify right side
    91,169.47x = 6,403,123,587.79
  5. Step 5: Solve for x
    x = 6,403,123,587.79/91,169.47
  6. Step 6: Final answer
    x = 70,233.20

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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.