Home / 83,397.38-115,088.78-45,671.63

Finding the Fourth Proportional to 83,397.38, 115,088.78 and 45,671.63

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Solution

The fourth proportional to 83,397.38, 115,088.78 and 45,671.63 is: 63,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.38 : 115,088.78 = 45,671.63 : x
  2. Step 2: Convert to fraction form
    83,397.38/115,088.78 = 45,671.63/x
  3. Step 3: Cross multiply
    83,397.38x = 115,088.78 × 45,671.63
  4. Step 4: Simplify right side
    83,397.38x = 5,256,291,716.05
  5. Step 5: Solve for x
    x = 5,256,291,716.05/83,397.38
  6. Step 6: Final answer
    x = 63,027.06

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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.