Home / 86,556.15-129,832.86-44,411.90

Finding the Fourth Proportional to 86,556.15, 129,832.86 and 44,411.90

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Solution

The fourth proportional to 86,556.15, 129,832.86 and 44,411.90 is: 66,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,556.15 : 129,832.86 = 44,411.90 : x
  2. Step 2: Convert to fraction form
    86,556.15/129,832.86 = 44,411.90/x
  3. Step 3: Cross multiply
    86,556.15x = 129,832.86 × 44,411.90
  4. Step 4: Simplify right side
    86,556.15x = 5,766,124,319.62
  5. Step 5: Solve for x
    x = 5,766,124,319.62/86,556.15
  6. Step 6: Final answer
    x = 66,617.15

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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.