Home / 86,579.12-129,873.62-24,254.48

Finding the Fourth Proportional to 86,579.12, 129,873.62 and 24,254.48

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Solution

The fourth proportional to 86,579.12, 129,873.62 and 24,254.48 is: 36,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579.12 : 129,873.62 = 24,254.48 : x
  2. Step 2: Convert to fraction form
    86,579.12/129,873.62 = 24,254.48/x
  3. Step 3: Cross multiply
    86,579.12x = 129,873.62 × 24,254.48
  4. Step 4: Simplify right side
    86,579.12x = 3,150,017,118.82
  5. Step 5: Solve for x
    x = 3,150,017,118.82/86,579.12
  6. Step 6: Final answer
    x = 36,383.10

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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.