Home / 79,452.30-119,210.94-42,002.40

Finding the Fourth Proportional to 79,452.30, 119,210.94 and 42,002.40

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Solution

The fourth proportional to 79,452.30, 119,210.94 and 42,002.40 is: 63,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,452.30 : 119,210.94 = 42,002.40 : x
  2. Step 2: Convert to fraction form
    79,452.30/119,210.94 = 42,002.40/x
  3. Step 3: Cross multiply
    79,452.30x = 119,210.94 × 42,002.40
  4. Step 4: Simplify right side
    79,452.30x = 5,007,145,586.26
  5. Step 5: Solve for x
    x = 5,007,145,586.26/79,452.30
  6. Step 6: Final answer
    x = 63,020.78

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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.