Home / 124,039.09-171,169.89-69,587.96

Finding the Fourth Proportional to 124,039.09, 171,169.89 and 69,587.96

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Solution

The fourth proportional to 124,039.09, 171,169.89 and 69,587.96 is: 96,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,039.09 : 171,169.89 = 69,587.96 : x
  2. Step 2: Convert to fraction form
    124,039.09/171,169.89 = 69,587.96/x
  3. Step 3: Cross multiply
    124,039.09x = 171,169.89 × 69,587.96
  4. Step 4: Simplify right side
    124,039.09x = 11,911,363,458.52
  5. Step 5: Solve for x
    x = 11,911,363,458.52/124,039.09
  6. Step 6: Final answer
    x = 96,029.11

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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.