Home / 91,034.74-125,632.18-50,748.78

Finding the Fourth Proportional to 91,034.74, 125,632.18 and 50,748.78

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Solution

The fourth proportional to 91,034.74, 125,632.18 and 50,748.78 is: 70,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034.74 : 125,632.18 = 50,748.78 : x
  2. Step 2: Convert to fraction form
    91,034.74/125,632.18 = 50,748.78/x
  3. Step 3: Cross multiply
    91,034.74x = 125,632.18 × 50,748.78
  4. Step 4: Simplify right side
    91,034.74x = 6,375,679,863.74
  5. Step 5: Solve for x
    x = 6,375,679,863.74/91,034.74
  6. Step 6: Final answer
    x = 70,035.68

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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.