Home / 125,224.66-172,809.05-68,635.90

Finding the Fourth Proportional to 125,224.66, 172,809.05 and 68,635.90

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Solution

The fourth proportional to 125,224.66, 172,809.05 and 68,635.90 is: 94,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.66 : 172,809.05 = 68,635.90 : x
  2. Step 2: Convert to fraction form
    125,224.66/172,809.05 = 68,635.90/x
  3. Step 3: Cross multiply
    125,224.66x = 172,809.05 × 68,635.90
  4. Step 4: Simplify right side
    125,224.66x = 11,860,904,674.90
  5. Step 5: Solve for x
    x = 11,860,904,674.90/125,224.66
  6. Step 6: Final answer
    x = 94,717.00

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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.