Home / 71,205.19-98,260.51-39,374.62

Finding the Fourth Proportional to 71,205.19, 98,260.51 and 39,374.62

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Solution

The fourth proportional to 71,205.19, 98,260.51 and 39,374.62 is: 54,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,205.19 : 98,260.51 = 39,374.62 : x
  2. Step 2: Convert to fraction form
    71,205.19/98,260.51 = 39,374.62/x
  3. Step 3: Cross multiply
    71,205.19x = 98,260.51 × 39,374.62
  4. Step 4: Simplify right side
    71,205.19x = 3,868,970,524.71
  5. Step 5: Solve for x
    x = 3,868,970,524.71/71,205.19
  6. Step 6: Final answer
    x = 54,335.51

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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.