Home / 45,213.12-62,401.44-43,219.68

Finding the Fourth Proportional to 45,213.12, 62,401.44 and 43,219.68

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Solution

The fourth proportional to 45,213.12, 62,401.44 and 43,219.68 is: 59,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,213.12 : 62,401.44 = 43,219.68 : x
  2. Step 2: Convert to fraction form
    45,213.12/62,401.44 = 43,219.68/x
  3. Step 3: Cross multiply
    45,213.12x = 62,401.44 × 43,219.68
  4. Step 4: Simplify right side
    45,213.12x = 2,696,970,268.34
  5. Step 5: Solve for x
    x = 2,696,970,268.34/45,213.12
  6. Step 6: Final answer
    x = 59,650.17

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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.