Home / 91,570.96-126,242.28-63,227.92

Finding the Fourth Proportional to 91,570.96, 126,242.28 and 63,227.92

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Solution

The fourth proportional to 91,570.96, 126,242.28 and 63,227.92 is: 87,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570.96 : 126,242.28 = 63,227.92 : x
  2. Step 2: Convert to fraction form
    91,570.96/126,242.28 = 63,227.92/x
  3. Step 3: Cross multiply
    91,570.96x = 126,242.28 × 63,227.92
  4. Step 4: Simplify right side
    91,570.96x = 7,982,036,780.46
  5. Step 5: Solve for x
    x = 7,982,036,780.46/91,570.96
  6. Step 6: Final answer
    x = 87,167.77

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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.