Home / 81,577.44-112,616.42-54,710.12

Finding the Fourth Proportional to 81,577.44, 112,616.42 and 54,710.12

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Solution

The fourth proportional to 81,577.44, 112,616.42 and 54,710.12 is: 75,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,577.44 : 112,616.42 = 54,710.12 : x
  2. Step 2: Convert to fraction form
    81,577.44/112,616.42 = 54,710.12/x
  3. Step 3: Cross multiply
    81,577.44x = 112,616.42 × 54,710.12
  4. Step 4: Simplify right side
    81,577.44x = 6,161,257,852.17
  5. Step 5: Solve for x
    x = 6,161,257,852.17/81,577.44
  6. Step 6: Final answer
    x = 75,526.49

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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.