Home / 122,931.01-169,661.69-69,237.73

Finding the Fourth Proportional to 122,931.01, 169,661.69 and 69,237.73

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Solution

The fourth proportional to 122,931.01, 169,661.69 and 69,237.73 is: 95,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,931.01 : 169,661.69 = 69,237.73 : x
  2. Step 2: Convert to fraction form
    122,931.01/169,661.69 = 69,237.73/x
  3. Step 3: Cross multiply
    122,931.01x = 169,661.69 × 69,237.73
  4. Step 4: Simplify right side
    122,931.01x = 11,746,990,283.56
  5. Step 5: Solve for x
    x = 11,746,990,283.56/122,931.01
  6. Step 6: Final answer
    x = 95,557.58

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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.