Home / 103,595.03-142,920.66-58,262.62

Finding the Fourth Proportional to 103,595.03, 142,920.66 and 58,262.62

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Solution

The fourth proportional to 103,595.03, 142,920.66 and 58,262.62 is: 80,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,595.03 : 142,920.66 = 58,262.62 : x
  2. Step 2: Convert to fraction form
    103,595.03/142,920.66 = 58,262.62/x
  3. Step 3: Cross multiply
    103,595.03x = 142,920.66 × 58,262.62
  4. Step 4: Simplify right side
    103,595.03x = 8,326,932,103.73
  5. Step 5: Solve for x
    x = 8,326,932,103.73/103,595.03
  6. Step 6: Final answer
    x = 80,379.65

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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.