Home / 91,947.56-126,873.90-51,653.66

Finding the Fourth Proportional to 91,947.56, 126,873.90 and 51,653.66

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Solution

The fourth proportional to 91,947.56, 126,873.90 and 51,653.66 is: 71,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.56 : 126,873.90 = 51,653.66 : x
  2. Step 2: Convert to fraction form
    91,947.56/126,873.90 = 51,653.66/x
  3. Step 3: Cross multiply
    91,947.56x = 126,873.90 × 51,653.66
  4. Step 4: Simplify right side
    91,947.56x = 6,553,500,718.02
  5. Step 5: Solve for x
    x = 6,553,500,718.02/91,947.56
  6. Step 6: Final answer
    x = 71,274.33

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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.