Home / 122,779.14-169,387.25-69,051.84

Finding the Fourth Proportional to 122,779.14, 169,387.25 and 69,051.84

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Solution

The fourth proportional to 122,779.14, 169,387.25 and 69,051.84 is: 95,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,779.14 : 169,387.25 = 69,051.84 : x
  2. Step 2: Convert to fraction form
    122,779.14/169,387.25 = 69,051.84/x
  3. Step 3: Cross multiply
    122,779.14x = 169,387.25 × 69,051.84
  4. Step 4: Simplify right side
    122,779.14x = 11,696,500,939.78
  5. Step 5: Solve for x
    x = 11,696,500,939.78/122,779.14
  6. Step 6: Final answer
    x = 95,264.56

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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.