Home / 71,392.04-98,519.86-39,560.84

Finding the Fourth Proportional to 71,392.04, 98,519.86 and 39,560.84

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Solution

The fourth proportional to 71,392.04, 98,519.86 and 39,560.84 is: 54,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.04 : 98,519.86 = 39,560.84 : x
  2. Step 2: Convert to fraction form
    71,392.04/98,519.86 = 39,560.84/x
  3. Step 3: Cross multiply
    71,392.04x = 98,519.86 × 39,560.84
  4. Step 4: Simplify right side
    71,392.04x = 3,897,528,418.28
  5. Step 5: Solve for x
    x = 3,897,528,418.28/71,392.04
  6. Step 6: Final answer
    x = 54,593.32

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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.