Home / 71,111.20-98,132.84-39,282.32

Finding the Fourth Proportional to 71,111.20, 98,132.84 and 39,282.32

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Solution

The fourth proportional to 71,111.20, 98,132.84 and 39,282.32 is: 54,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,111.20 : 98,132.84 = 39,282.32 : x
  2. Step 2: Convert to fraction form
    71,111.20/98,132.84 = 39,282.32/x
  3. Step 3: Cross multiply
    71,111.20x = 98,132.84 × 39,282.32
  4. Step 4: Simplify right side
    71,111.20x = 3,854,885,623.39
  5. Step 5: Solve for x
    x = 3,854,885,623.39/71,111.20
  6. Step 6: Final answer
    x = 54,209.26

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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.