Home / 124,822.92-172,259.38-68,237.32

Finding the Fourth Proportional to 124,822.92, 172,259.38 and 68,237.32

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Solution

The fourth proportional to 124,822.92, 172,259.38 and 68,237.32 is: 94,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.92 : 172,259.38 = 68,237.32 : x
  2. Step 2: Convert to fraction form
    124,822.92/172,259.38 = 68,237.32/x
  3. Step 3: Cross multiply
    124,822.92x = 172,259.38 × 68,237.32
  4. Step 4: Simplify right side
    124,822.92x = 11,754,518,436.06
  5. Step 5: Solve for x
    x = 11,754,518,436.06/124,822.92
  6. Step 6: Final answer
    x = 94,169.55

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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.