Home / 83,669.53-115,463.92-45,943.78

Finding the Fourth Proportional to 83,669.53, 115,463.92 and 45,943.78

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Solution

The fourth proportional to 83,669.53, 115,463.92 and 45,943.78 is: 63,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.53 : 115,463.92 = 45,943.78 : x
  2. Step 2: Convert to fraction form
    83,669.53/115,463.92 = 45,943.78/x
  3. Step 3: Cross multiply
    83,669.53x = 115,463.92 × 45,943.78
  4. Step 4: Simplify right side
    83,669.53x = 5,304,848,938.42
  5. Step 5: Solve for x
    x = 5,304,848,938.42/83,669.53
  6. Step 6: Final answer
    x = 63,402.40

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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.