Home / 86,509.12-129,757.20-24,184.48

Finding the Fourth Proportional to 86,509.12, 129,757.20 and 24,184.48

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Solution

The fourth proportional to 86,509.12, 129,757.20 and 24,184.48 is: 36,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.12 : 129,757.20 = 24,184.48 : x
  2. Step 2: Convert to fraction form
    86,509.12/129,757.20 = 24,184.48/x
  3. Step 3: Cross multiply
    86,509.12x = 129,757.20 × 24,184.48
  4. Step 4: Simplify right side
    86,509.12x = 3,138,110,408.26
  5. Step 5: Solve for x
    x = 3,138,110,408.26/86,509.12
  6. Step 6: Final answer
    x = 36,274.91

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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.