Home / 83,215.22-114,834.71-47,416.79

Finding the Fourth Proportional to 83,215.22, 114,834.71 and 47,416.79

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Solution

The fourth proportional to 83,215.22, 114,834.71 and 47,416.79 is: 65,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215.22 : 114,834.71 = 47,416.79 : x
  2. Step 2: Convert to fraction form
    83,215.22/114,834.71 = 47,416.79/x
  3. Step 3: Cross multiply
    83,215.22x = 114,834.71 × 47,416.79
  4. Step 4: Simplify right side
    83,215.22x = 5,445,093,734.41
  5. Step 5: Solve for x
    x = 5,445,093,734.41/83,215.22
  6. Step 6: Final answer
    x = 65,433.87

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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.