Home / 122,948.85-169,667.74-69,234.51

Finding the Fourth Proportional to 122,948.85, 169,667.74 and 69,234.51

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Solution

The fourth proportional to 122,948.85, 169,667.74 and 69,234.51 is: 95,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.85 : 169,667.74 = 69,234.51 : x
  2. Step 2: Convert to fraction form
    122,948.85/169,667.74 = 69,234.51/x
  3. Step 3: Cross multiply
    122,948.85x = 169,667.74 × 69,234.51
  4. Step 4: Simplify right side
    122,948.85x = 11,746,862,841.71
  5. Step 5: Solve for x
    x = 11,746,862,841.71/122,948.85
  6. Step 6: Final answer
    x = 95,542.68

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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.