Home / 83,411.10-125,057.22-39,013.65

Finding the Fourth Proportional to 83,411.10, 125,057.22 and 39,013.65

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Solution

The fourth proportional to 83,411.10, 125,057.22 and 39,013.65 is: 58,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.10 : 125,057.22 = 39,013.65 : x
  2. Step 2: Convert to fraction form
    83,411.10/125,057.22 = 39,013.65/x
  3. Step 3: Cross multiply
    83,411.10x = 125,057.22 × 39,013.65
  4. Step 4: Simplify right side
    83,411.10x = 4,878,938,464.75
  5. Step 5: Solve for x
    x = 4,878,938,464.75/83,411.10
  6. Step 6: Final answer
    x = 58,492.68

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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.