Home / 124,042.28-171,192.78-69,609.44

Finding the Fourth Proportional to 124,042.28, 171,192.78 and 69,609.44

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Solution

The fourth proportional to 124,042.28, 171,192.78 and 69,609.44 is: 96,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,042.28 : 171,192.78 = 69,609.44 : x
  2. Step 2: Convert to fraction form
    124,042.28/171,192.78 = 69,609.44/x
  3. Step 3: Cross multiply
    124,042.28x = 171,192.78 × 69,609.44
  4. Step 4: Simplify right side
    124,042.28x = 11,916,633,547.84
  5. Step 5: Solve for x
    x = 11,916,633,547.84/124,042.28
  6. Step 6: Final answer
    x = 96,069.13

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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.