Home / 103,132.66-142,324.52-62,848.12

Finding the Fourth Proportional to 103,132.66, 142,324.52 and 62,848.12

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Solution

The fourth proportional to 103,132.66, 142,324.52 and 62,848.12 is: 86,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,132.66 : 142,324.52 = 62,848.12 : x
  2. Step 2: Convert to fraction form
    103,132.66/142,324.52 = 62,848.12/x
  3. Step 3: Cross multiply
    103,132.66x = 142,324.52 × 62,848.12
  4. Step 4: Simplify right side
    103,132.66x = 8,944,828,511.90
  5. Step 5: Solve for x
    x = 8,944,828,511.90/103,132.66
  6. Step 6: Final answer
    x = 86,731.29

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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.