Home / 91,947.59-126,884.14-51,663.05

Finding the Fourth Proportional to 91,947.59, 126,884.14 and 51,663.05

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Solution

The fourth proportional to 91,947.59, 126,884.14 and 51,663.05 is: 71,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.59 : 126,884.14 = 51,663.05 : x
  2. Step 2: Convert to fraction form
    91,947.59/126,884.14 = 51,663.05/x
  3. Step 3: Cross multiply
    91,947.59x = 126,884.14 × 51,663.05
  4. Step 4: Simplify right side
    91,947.59x = 6,555,221,381.26
  5. Step 5: Solve for x
    x = 6,555,221,381.26/91,947.59
  6. Step 6: Final answer
    x = 71,293.02

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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.