Home / 91,947.23-126,887.28-51,660.96

Finding the Fourth Proportional to 91,947.23, 126,887.28 and 51,660.96

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Solution

The fourth proportional to 91,947.23, 126,887.28 and 51,660.96 is: 71,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.23 : 126,887.28 = 51,660.96 : x
  2. Step 2: Convert to fraction form
    91,947.23/126,887.28 = 51,660.96/x
  3. Step 3: Cross multiply
    91,947.23x = 126,887.28 × 51,660.96
  4. Step 4: Simplify right side
    91,947.23x = 6,555,118,696.59
  5. Step 5: Solve for x
    x = 6,555,118,696.59/91,947.23
  6. Step 6: Final answer
    x = 71,292.18

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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.