Home / 70,388.28-105,604.38-23,643.18

Finding the Fourth Proportional to 70,388.28, 105,604.38 and 23,643.18

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Solution

The fourth proportional to 70,388.28, 105,604.38 and 23,643.18 is: 35,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.28 : 105,604.38 = 23,643.18 : x
  2. Step 2: Convert to fraction form
    70,388.28/105,604.38 = 23,643.18/x
  3. Step 3: Cross multiply
    70,388.28x = 105,604.38 × 23,643.18
  4. Step 4: Simplify right side
    70,388.28x = 2,496,823,365.13
  5. Step 5: Solve for x
    x = 2,496,823,365.13/70,388.28
  6. Step 6: Final answer
    x = 35,472.15

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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.