Home / 91,642.92-126,456.18-51,347.46

Finding the Fourth Proportional to 91,642.92, 126,456.18 and 51,347.46

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Solution

The fourth proportional to 91,642.92, 126,456.18 and 51,347.46 is: 70,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,642.92 : 126,456.18 = 51,347.46 : x
  2. Step 2: Convert to fraction form
    91,642.92/126,456.18 = 51,347.46/x
  3. Step 3: Cross multiply
    91,642.92x = 126,456.18 × 51,347.46
  4. Step 4: Simplify right side
    91,642.92x = 6,493,203,644.30
  5. Step 5: Solve for x
    x = 6,493,203,644.30/91,642.92
  6. Step 6: Final answer
    x = 70,853.30

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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.