Home / 70,680.36-106,020.54-26,306.13

Finding the Fourth Proportional to 70,680.36, 106,020.54 and 26,306.13

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Solution

The fourth proportional to 70,680.36, 106,020.54 and 26,306.13 is: 39,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.36 : 106,020.54 = 26,306.13 : x
  2. Step 2: Convert to fraction form
    70,680.36/106,020.54 = 26,306.13/x
  3. Step 3: Cross multiply
    70,680.36x = 106,020.54 × 26,306.13
  4. Step 4: Simplify right side
    70,680.36x = 2,788,990,107.91
  5. Step 5: Solve for x
    x = 2,788,990,107.91/70,680.36
  6. Step 6: Final answer
    x = 39,459.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.