Home / 103,357.44-142,634.24-58,641.92

Finding the Fourth Proportional to 103,357.44, 142,634.24 and 58,641.92

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Solution

The fourth proportional to 103,357.44, 142,634.24 and 58,641.92 is: 80,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,357.44 : 142,634.24 = 58,641.92 : x
  2. Step 2: Convert to fraction form
    103,357.44/142,634.24 = 58,641.92/x
  3. Step 3: Cross multiply
    103,357.44x = 142,634.24 × 58,641.92
  4. Step 4: Simplify right side
    103,357.44x = 8,364,345,691.34
  5. Step 5: Solve for x
    x = 8,364,345,691.34/103,357.44
  6. Step 6: Final answer
    x = 80,926.40

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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.