Home / 83,946.12-115,819.47-47,641.56

Finding the Fourth Proportional to 83,946.12, 115,819.47 and 47,641.56

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Solution

The fourth proportional to 83,946.12, 115,819.47 and 47,641.56 is: 65,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,946.12 : 115,819.47 = 47,641.56 : x
  2. Step 2: Convert to fraction form
    83,946.12/115,819.47 = 47,641.56/x
  3. Step 3: Cross multiply
    83,946.12x = 115,819.47 × 47,641.56
  4. Step 4: Simplify right side
    83,946.12x = 5,517,820,229.17
  5. Step 5: Solve for x
    x = 5,517,820,229.17/83,946.12
  6. Step 6: Final answer
    x = 65,730.50

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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.