Home / 122,771.91-169,426.17-69,056.49

Finding the Fourth Proportional to 122,771.91, 169,426.17 and 69,056.49

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Solution

The fourth proportional to 122,771.91, 169,426.17 and 69,056.49 is: 95,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,771.91 : 169,426.17 = 69,056.49 : x
  2. Step 2: Convert to fraction form
    122,771.91/169,426.17 = 69,056.49/x
  3. Step 3: Cross multiply
    122,771.91x = 169,426.17 × 69,056.49
  4. Step 4: Simplify right side
    122,771.91x = 11,699,976,614.34
  5. Step 5: Solve for x
    x = 11,699,976,614.34/122,771.91
  6. Step 6: Final answer
    x = 95,298.48

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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.