Home / 62,401.28-86,115.20-34,109.44

Finding the Fourth Proportional to 62,401.28, 86,115.20 and 34,109.44

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Solution

The fourth proportional to 62,401.28, 86,115.20 and 34,109.44 is: 47,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.28 : 86,115.20 = 34,109.44 : x
  2. Step 2: Convert to fraction form
    62,401.28/86,115.20 = 34,109.44/x
  3. Step 3: Cross multiply
    62,401.28x = 86,115.20 × 34,109.44
  4. Step 4: Simplify right side
    62,401.28x = 2,937,341,247.49
  5. Step 5: Solve for x
    x = 2,937,341,247.49/62,401.28
  6. Step 6: Final answer
    x = 47,071.81

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1.5x scale

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.