Home / 86,032.32-129,085.44-44,508.48

Finding the Fourth Proportional to 86,032.32, 129,085.44 and 44,508.48

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Solution

The fourth proportional to 86,032.32, 129,085.44 and 44,508.48 is: 66,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.32 : 129,085.44 = 44,508.48 : x
  2. Step 2: Convert to fraction form
    86,032.32/129,085.44 = 44,508.48/x
  3. Step 3: Cross multiply
    86,032.32x = 129,085.44 × 44,508.48
  4. Step 4: Simplify right side
    86,032.32x = 5,745,396,724.53
  5. Step 5: Solve for x
    x = 5,745,396,724.53/86,032.32
  6. Step 6: Final answer
    x = 66,781.84

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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.