Home / 83,065.13-124,664.20-43,095.56

Finding the Fourth Proportional to 83,065.13, 124,664.20 and 43,095.56

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Solution

The fourth proportional to 83,065.13, 124,664.20 and 43,095.56 is: 64,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,065.13 : 124,664.20 = 43,095.56 : x
  2. Step 2: Convert to fraction form
    83,065.13/124,664.20 = 43,095.56/x
  3. Step 3: Cross multiply
    83,065.13x = 124,664.20 × 43,095.56
  4. Step 4: Simplify right side
    83,065.13x = 5,372,473,510.95
  5. Step 5: Solve for x
    x = 5,372,473,510.95/83,065.13
  6. Step 6: Final answer
    x = 64,677.84

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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.