Home / 83,579.46-125,363.31-39,215.94

Finding the Fourth Proportional to 83,579.46, 125,363.31 and 39,215.94

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Solution

The fourth proportional to 83,579.46, 125,363.31 and 39,215.94 is: 58,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,579.46 : 125,363.31 = 39,215.94 : x
  2. Step 2: Convert to fraction form
    83,579.46/125,363.31 = 39,215.94/x
  3. Step 3: Cross multiply
    83,579.46x = 125,363.31 × 39,215.94
  4. Step 4: Simplify right side
    83,579.46x = 4,916,240,043.16
  5. Step 5: Solve for x
    x = 4,916,240,043.16/83,579.46
  6. Step 6: Final answer
    x = 58,821.15

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1.5x scale

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.