Home / 86,217.83-129,332.22-27,055.84

Finding the Fourth Proportional to 86,217.83, 129,332.22 and 27,055.84

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Solution

The fourth proportional to 86,217.83, 129,332.22 and 27,055.84 is: 40,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217.83 : 129,332.22 = 27,055.84 : x
  2. Step 2: Convert to fraction form
    86,217.83/129,332.22 = 27,055.84/x
  3. Step 3: Cross multiply
    86,217.83x = 129,332.22 × 27,055.84
  4. Step 4: Simplify right side
    86,217.83x = 3,499,191,527.83
  5. Step 5: Solve for x
    x = 3,499,191,527.83/86,217.83
  6. Step 6: Final answer
    x = 40,585.47

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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.