Home / 125,243.66-172,848.22-71,536.70

Finding the Fourth Proportional to 125,243.66, 172,848.22 and 71,536.70

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Solution

The fourth proportional to 125,243.66, 172,848.22 and 71,536.70 is: 98,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,243.66 : 172,848.22 = 71,536.70 : x
  2. Step 2: Convert to fraction form
    125,243.66/172,848.22 = 71,536.70/x
  3. Step 3: Cross multiply
    125,243.66x = 172,848.22 × 71,536.70
  4. Step 4: Simplify right side
    125,243.66x = 12,364,991,259.67
  5. Step 5: Solve for x
    x = 12,364,991,259.67/125,243.66
  6. Step 6: Final answer
    x = 98,727.48

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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.