Home / 83,306.08-124,903.74-45,883.78

Finding the Fourth Proportional to 83,306.08, 124,903.74 and 45,883.78

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Solution

The fourth proportional to 83,306.08, 124,903.74 and 45,883.78 is: 68,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,306.08 : 124,903.74 = 45,883.78 : x
  2. Step 2: Convert to fraction form
    83,306.08/124,903.74 = 45,883.78/x
  3. Step 3: Cross multiply
    83,306.08x = 124,903.74 × 45,883.78
  4. Step 4: Simplify right side
    83,306.08x = 5,731,055,727.34
  5. Step 5: Solve for x
    x = 5,731,055,727.34/83,306.08
  6. Step 6: Final answer
    x = 68,795.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.