Home / 86,293.38-129,416.91-36,373.86

Finding the Fourth Proportional to 86,293.38, 129,416.91 and 36,373.86

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Solution

The fourth proportional to 86,293.38, 129,416.91 and 36,373.86 is: 54,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,293.38 : 129,416.91 = 36,373.86 : x
  2. Step 2: Convert to fraction form
    86,293.38/129,416.91 = 36,373.86/x
  3. Step 3: Cross multiply
    86,293.38x = 129,416.91 × 36,373.86
  4. Step 4: Simplify right side
    86,293.38x = 4,707,392,565.97
  5. Step 5: Solve for x
    x = 4,707,392,565.97/86,293.38
  6. Step 6: Final answer
    x = 54,551.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.