Home / 91,938.29-126,876.77-51,654.65

Finding the Fourth Proportional to 91,938.29, 126,876.77 and 51,654.65

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Solution

The fourth proportional to 91,938.29, 126,876.77 and 51,654.65 is: 71,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,938.29 : 126,876.77 = 51,654.65 : x
  2. Step 2: Convert to fraction form
    91,938.29/126,876.77 = 51,654.65/x
  3. Step 3: Cross multiply
    91,938.29x = 126,876.77 × 51,654.65
  4. Step 4: Simplify right side
    91,938.29x = 6,553,775,147.48
  5. Step 5: Solve for x
    x = 6,553,775,147.48/91,938.29
  6. Step 6: Final answer
    x = 71,284.50

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1.5x scale

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.