Home / 91,296.28-125,988-51,016.98

Finding the Fourth Proportional to 91,296.28, 125,988 and 51,016.98

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Solution

The fourth proportional to 91,296.28, 125,988 and 51,016.98 is: 70,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296.28 : 125,988 = 51,016.98 : x
  2. Step 2: Convert to fraction form
    91,296.28/125,988 = 51,016.98/x
  3. Step 3: Cross multiply
    91,296.28x = 125,988 × 51,016.98
  4. Step 4: Simplify right side
    91,296.28x = 6,427,527,276.24
  5. Step 5: Solve for x
    x = 6,427,527,276.24/91,296.28
  6. Step 6: Final answer
    x = 70,402.95

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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.