Home / 91,498.14-126,266.85-51,211.71

Finding the Fourth Proportional to 91,498.14, 126,266.85 and 51,211.71

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Solution

The fourth proportional to 91,498.14, 126,266.85 and 51,211.71 is: 70,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,498.14 : 126,266.85 = 51,211.71 : x
  2. Step 2: Convert to fraction form
    91,498.14/126,266.85 = 51,211.71/x
  3. Step 3: Cross multiply
    91,498.14x = 126,266.85 × 51,211.71
  4. Step 4: Simplify right side
    91,498.14x = 6,466,341,304.81
  5. Step 5: Solve for x
    x = 6,466,341,304.81/91,498.14
  6. Step 6: Final answer
    x = 70,671.83

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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.