Home / 70,209.28-105,313.92-23,462.16

Finding the Fourth Proportional to 70,209.28, 105,313.92 and 23,462.16

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Solution

The fourth proportional to 70,209.28, 105,313.92 and 23,462.16 is: 35,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,209.28 : 105,313.92 = 23,462.16 : x
  2. Step 2: Convert to fraction form
    70,209.28/105,313.92 = 23,462.16/x
  3. Step 3: Cross multiply
    70,209.28x = 105,313.92 × 23,462.16
  4. Step 4: Simplify right side
    70,209.28x = 2,470,891,690.33
  5. Step 5: Solve for x
    x = 2,470,891,690.33/70,209.28
  6. Step 6: Final answer
    x = 35,193.23

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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.