Home / 91,785.13-126,670.02-50,951.41

Finding the Fourth Proportional to 91,785.13, 126,670.02 and 50,951.41

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Solution

The fourth proportional to 91,785.13, 126,670.02 and 50,951.41 is: 70,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.13 : 126,670.02 = 50,951.41 : x
  2. Step 2: Convert to fraction form
    91,785.13/126,670.02 = 50,951.41/x
  3. Step 3: Cross multiply
    91,785.13x = 126,670.02 × 50,951.41
  4. Step 4: Simplify right side
    91,785.13x = 6,454,016,123.73
  5. Step 5: Solve for x
    x = 6,454,016,123.73/91,785.13
  6. Step 6: Final answer
    x = 70,316.58

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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.