Home / 103,348.98-142,610.54-58,031.91

Finding the Fourth Proportional to 103,348.98, 142,610.54 and 58,031.91

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Solution

The fourth proportional to 103,348.98, 142,610.54 and 58,031.91 is: 80,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,348.98 : 142,610.54 = 58,031.91 : x
  2. Step 2: Convert to fraction form
    103,348.98/142,610.54 = 58,031.91/x
  3. Step 3: Cross multiply
    103,348.98x = 142,610.54 × 58,031.91
  4. Step 4: Simplify right side
    103,348.98x = 8,275,961,732.17
  5. Step 5: Solve for x
    x = 8,275,961,732.17/103,348.98
  6. Step 6: Final answer
    x = 80,077.83

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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.