Home / 63,726.45-87,966.36-47,856.75

Finding the Fourth Proportional to 63,726.45, 87,966.36 and 47,856.75

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Solution

The fourth proportional to 63,726.45, 87,966.36 and 47,856.75 is: 66,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,726.45 : 87,966.36 = 47,856.75 : x
  2. Step 2: Convert to fraction form
    63,726.45/87,966.36 = 47,856.75/x
  3. Step 3: Cross multiply
    63,726.45x = 87,966.36 × 47,856.75
  4. Step 4: Simplify right side
    63,726.45x = 4,209,784,098.93
  5. Step 5: Solve for x
    x = 4,209,784,098.93/63,726.45
  6. Step 6: Final answer
    x = 66,060.23

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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.