Home / 83,669.60-115,463.40-45,943.76

Finding the Fourth Proportional to 83,669.60, 115,463.40 and 45,943.76

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Solution

The fourth proportional to 83,669.60, 115,463.40 and 45,943.76 is: 63,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.60 : 115,463.40 = 45,943.76 : x
  2. Step 2: Convert to fraction form
    83,669.60/115,463.40 = 45,943.76/x
  3. Step 3: Cross multiply
    83,669.60x = 115,463.40 × 45,943.76
  4. Step 4: Simplify right side
    83,669.60x = 5,304,822,738.38
  5. Step 5: Solve for x
    x = 5,304,822,738.38/83,669.60
  6. Step 6: Final answer
    x = 63,402.03

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Double scale
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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.