Home / 86,081.66-129,129.93-23,752.16

Finding the Fourth Proportional to 86,081.66, 129,129.93 and 23,752.16

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Solution

The fourth proportional to 86,081.66, 129,129.93 and 23,752.16 is: 35,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,081.66 : 129,129.93 = 23,752.16 : x
  2. Step 2: Convert to fraction form
    86,081.66/129,129.93 = 23,752.16/x
  3. Step 3: Cross multiply
    86,081.66x = 129,129.93 × 23,752.16
  4. Step 4: Simplify right side
    86,081.66x = 3,067,114,758.15
  5. Step 5: Solve for x
    x = 3,067,114,758.15/86,081.66
  6. Step 6: Final answer
    x = 35,630.29

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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.