Home / 86,042.22-129,081.55-26,882.35

Finding the Fourth Proportional to 86,042.22, 129,081.55 and 26,882.35

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Solution

The fourth proportional to 86,042.22, 129,081.55 and 26,882.35 is: 40,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,042.22 : 129,081.55 = 26,882.35 : x
  2. Step 2: Convert to fraction form
    86,042.22/129,081.55 = 26,882.35/x
  3. Step 3: Cross multiply
    86,042.22x = 129,081.55 × 26,882.35
  4. Step 4: Simplify right side
    86,042.22x = 3,470,015,066.14
  5. Step 5: Solve for x
    x = 3,470,015,066.14/86,042.22
  6. Step 6: Final answer
    x = 40,329.22

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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.