Home / 102,083.73-140,886.30-58,479.76

Finding the Fourth Proportional to 102,083.73, 140,886.30 and 58,479.76

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Solution

The fourth proportional to 102,083.73, 140,886.30 and 58,479.76 is: 80,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,083.73 : 140,886.30 = 58,479.76 : x
  2. Step 2: Convert to fraction form
    102,083.73/140,886.30 = 58,479.76/x
  3. Step 3: Cross multiply
    102,083.73x = 140,886.30 × 58,479.76
  4. Step 4: Simplify right side
    102,083.73x = 8,238,996,614.21
  5. Step 5: Solve for x
    x = 8,238,996,614.21/102,083.73
  6. Step 6: Final answer
    x = 80,708.23

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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.