Home / 81,539.13-112,524.20-47,570.97

Finding the Fourth Proportional to 81,539.13, 112,524.20 and 47,570.97

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Solution

The fourth proportional to 81,539.13, 112,524.20 and 47,570.97 is: 65,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,539.13 : 112,524.20 = 47,570.97 : x
  2. Step 2: Convert to fraction form
    81,539.13/112,524.20 = 47,570.97/x
  3. Step 3: Cross multiply
    81,539.13x = 112,524.20 × 47,570.97
  4. Step 4: Simplify right side
    81,539.13x = 5,352,885,342.47
  5. Step 5: Solve for x
    x = 5,352,885,342.47/81,539.13
  6. Step 6: Final answer
    x = 65,648.06

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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.