Home / 70,279.20-105,433.20-23,565.60

Finding the Fourth Proportional to 70,279.20, 105,433.20 and 23,565.60

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Solution

The fourth proportional to 70,279.20, 105,433.20 and 23,565.60 is: 35,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,279.20 : 105,433.20 = 23,565.60 : x
  2. Step 2: Convert to fraction form
    70,279.20/105,433.20 = 23,565.60/x
  3. Step 3: Cross multiply
    70,279.20x = 105,433.20 × 23,565.60
  4. Step 4: Simplify right side
    70,279.20x = 2,484,596,617.92
  5. Step 5: Solve for x
    x = 2,484,596,617.92/70,279.20
  6. Step 6: Final answer
    x = 35,353.23

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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.