Home / 81,560.88-112,502.16-58,933.08

Finding the Fourth Proportional to 81,560.88, 112,502.16 and 58,933.08

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Solution

The fourth proportional to 81,560.88, 112,502.16 and 58,933.08 is: 81,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,560.88 : 112,502.16 = 58,933.08 : x
  2. Step 2: Convert to fraction form
    81,560.88/112,502.16 = 58,933.08/x
  3. Step 3: Cross multiply
    81,560.88x = 112,502.16 × 58,933.08
  4. Step 4: Simplify right side
    81,560.88x = 6,630,098,795.45
  5. Step 5: Solve for x
    x = 6,630,098,795.45/81,560.88
  6. Step 6: Final answer
    x = 81,290.18

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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.