Home / 83,411.35-115,115.84-47,606.71

Finding the Fourth Proportional to 83,411.35, 115,115.84 and 47,606.71

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Solution

The fourth proportional to 83,411.35, 115,115.84 and 47,606.71 is: 65,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.35 : 115,115.84 = 47,606.71 : x
  2. Step 2: Convert to fraction form
    83,411.35/115,115.84 = 47,606.71/x
  3. Step 3: Cross multiply
    83,411.35x = 115,115.84 × 47,606.71
  4. Step 4: Simplify right side
    83,411.35x = 5,480,286,411.29
  5. Step 5: Solve for x
    x = 5,480,286,411.29/83,411.35
  6. Step 6: Final answer
    x = 65,701.93

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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.