Home / 125,203.23-172,784.88-68,614.61

Finding the Fourth Proportional to 125,203.23, 172,784.88 and 68,614.61

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Solution

The fourth proportional to 125,203.23, 172,784.88 and 68,614.61 is: 94,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,203.23 : 172,784.88 = 68,614.61 : x
  2. Step 2: Convert to fraction form
    125,203.23/172,784.88 = 68,614.61/x
  3. Step 3: Cross multiply
    125,203.23x = 172,784.88 × 68,614.61
  4. Step 4: Simplify right side
    125,203.23x = 11,855,567,155.10
  5. Step 5: Solve for x
    x = 11,855,567,155.10/125,203.23
  6. Step 6: Final answer
    x = 94,690.59

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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.