Home / 83,217.11-114,833.40-47,400.12

Finding the Fourth Proportional to 83,217.11, 114,833.40 and 47,400.12

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Solution

The fourth proportional to 83,217.11, 114,833.40 and 47,400.12 is: 65,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,217.11 : 114,833.40 = 47,400.12 : x
  2. Step 2: Convert to fraction form
    83,217.11/114,833.40 = 47,400.12/x
  3. Step 3: Cross multiply
    83,217.11x = 114,833.40 × 47,400.12
  4. Step 4: Simplify right side
    83,217.11x = 5,443,116,762.26
  5. Step 5: Solve for x
    x = 5,443,116,762.26/83,217.11
  6. Step 6: Final answer
    x = 65,408.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.