Home / 124,767.95-172,179.68-68,179.32

Finding the Fourth Proportional to 124,767.95, 172,179.68 and 68,179.32

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Solution

The fourth proportional to 124,767.95, 172,179.68 and 68,179.32 is: 94,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767.95 : 172,179.68 = 68,179.32 : x
  2. Step 2: Convert to fraction form
    124,767.95/172,179.68 = 68,179.32/x
  3. Step 3: Cross multiply
    124,767.95x = 172,179.68 × 68,179.32
  4. Step 4: Simplify right side
    124,767.95x = 11,739,093,159.32
  5. Step 5: Solve for x
    x = 11,739,093,159.32/124,767.95
  6. Step 6: Final answer
    x = 94,087.41

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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.