Home / 91,922.92-126,856.92-51,635.80

Finding the Fourth Proportional to 91,922.92, 126,856.92 and 51,635.80

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Solution

The fourth proportional to 91,922.92, 126,856.92 and 51,635.80 is: 71,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,922.92 : 126,856.92 = 51,635.80 : x
  2. Step 2: Convert to fraction form
    91,922.92/126,856.92 = 51,635.80/x
  3. Step 3: Cross multiply
    91,922.92x = 126,856.92 × 51,635.80
  4. Step 4: Simplify right side
    91,922.92x = 6,550,358,549.74
  5. Step 5: Solve for x
    x = 6,550,358,549.74/91,922.92
  6. Step 6: Final answer
    x = 71,259.25

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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.