Home / 122,746.62-169,388.73-69,031.62

Finding the Fourth Proportional to 122,746.62, 169,388.73 and 69,031.62

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Solution

The fourth proportional to 122,746.62, 169,388.73 and 69,031.62 is: 95,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,746.62 : 169,388.73 = 69,031.62 : x
  2. Step 2: Convert to fraction form
    122,746.62/169,388.73 = 69,031.62/x
  3. Step 3: Cross multiply
    122,746.62x = 169,388.73 × 69,031.62
  4. Step 4: Simplify right side
    122,746.62x = 11,693,178,441.64
  5. Step 5: Solve for x
    x = 11,693,178,441.64/122,746.62
  6. Step 6: Final answer
    x = 95,262.73

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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.