Home / 71,184.23-98,229.31-39,350.63

Finding the Fourth Proportional to 71,184.23, 98,229.31 and 39,350.63

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Solution

The fourth proportional to 71,184.23, 98,229.31 and 39,350.63 is: 54,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.23 : 98,229.31 = 39,350.63 : x
  2. Step 2: Convert to fraction form
    71,184.23/98,229.31 = 39,350.63/x
  3. Step 3: Cross multiply
    71,184.23x = 98,229.31 × 39,350.63
  4. Step 4: Simplify right side
    71,184.23x = 3,865,384,643.44
  5. Step 5: Solve for x
    x = 3,865,384,643.44/71,184.23
  6. Step 6: Final answer
    x = 54,301.14

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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.