Home / 86,614.11-129,910.37-24,289.47

Finding the Fourth Proportional to 86,614.11, 129,910.37 and 24,289.47

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Solution

The fourth proportional to 86,614.11, 129,910.37 and 24,289.47 is: 36,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,614.11 : 129,910.37 = 24,289.47 : x
  2. Step 2: Convert to fraction form
    86,614.11/129,910.37 = 24,289.47/x
  3. Step 3: Cross multiply
    86,614.11x = 129,910.37 × 24,289.47
  4. Step 4: Simplify right side
    86,614.11x = 3,155,453,913.36
  5. Step 5: Solve for x
    x = 3,155,453,913.36/86,614.11
  6. Step 6: Final answer
    x = 36,431.18

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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.