Home / 86,814.20-130,221.30-24,484.70

Finding the Fourth Proportional to 86,814.20, 130,221.30 and 24,484.70

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Solution

The fourth proportional to 86,814.20, 130,221.30 and 24,484.70 is: 36,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,814.20 : 130,221.30 = 24,484.70 : x
  2. Step 2: Convert to fraction form
    86,814.20/130,221.30 = 24,484.70/x
  3. Step 3: Cross multiply
    86,814.20x = 130,221.30 × 24,484.70
  4. Step 4: Simplify right side
    86,814.20x = 3,188,429,464.11
  5. Step 5: Solve for x
    x = 3,188,429,464.11/86,814.20
  6. Step 6: Final answer
    x = 36,727.05

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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.