Home / 91,766.27-126,638.32-51,480.90

Finding the Fourth Proportional to 91,766.27, 126,638.32 and 51,480.90

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Solution

The fourth proportional to 91,766.27, 126,638.32 and 51,480.90 is: 71,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,766.27 : 126,638.32 = 51,480.90 : x
  2. Step 2: Convert to fraction form
    91,766.27/126,638.32 = 51,480.90/x
  3. Step 3: Cross multiply
    91,766.27x = 126,638.32 × 51,480.90
  4. Step 4: Simplify right side
    91,766.27x = 6,519,454,461.81
  5. Step 5: Solve for x
    x = 6,519,454,461.81/91,766.27
  6. Step 6: Final answer
    x = 71,044.12

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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.