Home / 83,229.12-114,916.32-51,441.60

Finding the Fourth Proportional to 83,229.12, 114,916.32 and 51,441.60

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Solution

The fourth proportional to 83,229.12, 114,916.32 and 51,441.60 is: 71,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,229.12 : 114,916.32 = 51,441.60 : x
  2. Step 2: Convert to fraction form
    83,229.12/114,916.32 = 51,441.60/x
  3. Step 3: Cross multiply
    83,229.12x = 114,916.32 × 51,441.60
  4. Step 4: Simplify right side
    83,229.12x = 5,911,479,366.91
  5. Step 5: Solve for x
    x = 5,911,479,366.91/83,229.12
  6. Step 6: Final answer
    x = 71,026.58

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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.