Home / 110,680.78-152,738.76-62,934.12

Finding the Fourth Proportional to 110,680.78, 152,738.76 and 62,934.12

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Solution

The fourth proportional to 110,680.78, 152,738.76 and 62,934.12 is: 86,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,680.78 : 152,738.76 = 62,934.12 : x
  2. Step 2: Convert to fraction form
    110,680.78/152,738.76 = 62,934.12/x
  3. Step 3: Cross multiply
    110,680.78x = 152,738.76 × 62,934.12
  4. Step 4: Simplify right side
    110,680.78x = 9,612,478,372.13
  5. Step 5: Solve for x
    x = 9,612,478,372.13/110,680.78
  6. Step 6: Final answer
    x = 86,848.67

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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.