Home / 91,321.16-126,022.95-51,034.88

Finding the Fourth Proportional to 91,321.16, 126,022.95 and 51,034.88

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Solution

The fourth proportional to 91,321.16, 126,022.95 and 51,034.88 is: 70,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,321.16 : 126,022.95 = 51,034.88 : x
  2. Step 2: Convert to fraction form
    91,321.16/126,022.95 = 51,034.88/x
  3. Step 3: Cross multiply
    91,321.16x = 126,022.95 × 51,034.88
  4. Step 4: Simplify right side
    91,321.16x = 6,431,566,445.55
  5. Step 5: Solve for x
    x = 6,431,566,445.55/91,321.16
  6. Step 6: Final answer
    x = 70,428.00

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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.