Home / 124,083.20-171,220.56-70,357.52

Finding the Fourth Proportional to 124,083.20, 171,220.56 and 70,357.52

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Solution

The fourth proportional to 124,083.20, 171,220.56 and 70,357.52 is: 97,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,083.20 : 171,220.56 = 70,357.52 : x
  2. Step 2: Convert to fraction form
    124,083.20/171,220.56 = 70,357.52/x
  3. Step 3: Cross multiply
    124,083.20x = 171,220.56 × 70,357.52
  4. Step 4: Simplify right side
    124,083.20x = 12,046,653,974.61
  5. Step 5: Solve for x
    x = 12,046,653,974.61/124,083.20
  6. Step 6: Final answer
    x = 97,085.29

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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.