Home / 70,389.20-105,584.92-23,642.48

Finding the Fourth Proportional to 70,389.20, 105,584.92 and 23,642.48

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Solution

The fourth proportional to 70,389.20, 105,584.92 and 23,642.48 is: 35,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389.20 : 105,584.92 = 23,642.48 : x
  2. Step 2: Convert to fraction form
    70,389.20/105,584.92 = 23,642.48/x
  3. Step 3: Cross multiply
    70,389.20x = 105,584.92 × 23,642.48
  4. Step 4: Simplify right side
    70,389.20x = 2,496,289,359.40
  5. Step 5: Solve for x
    x = 2,496,289,359.40/70,389.20
  6. Step 6: Final answer
    x = 35,464.10

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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.