Home / 91,952.12-126,897.66-51,665.76

Finding the Fourth Proportional to 91,952.12, 126,897.66 and 51,665.76

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Solution

The fourth proportional to 91,952.12, 126,897.66 and 51,665.76 is: 71,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,952.12 : 126,897.66 = 51,665.76 : x
  2. Step 2: Convert to fraction form
    91,952.12/126,897.66 = 51,665.76/x
  3. Step 3: Cross multiply
    91,952.12x = 126,897.66 × 51,665.76
  4. Step 4: Simplify right side
    91,952.12x = 6,556,264,046.12
  5. Step 5: Solve for x
    x = 6,556,264,046.12/91,952.12
  6. Step 6: Final answer
    x = 71,300.85

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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.