Home / 79,863.23-119,693.09-42,441.23

Finding the Fourth Proportional to 79,863.23, 119,693.09 and 42,441.23

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Solution

The fourth proportional to 79,863.23, 119,693.09 and 42,441.23 is: 63,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.23 : 119,693.09 = 42,441.23 : x
  2. Step 2: Convert to fraction form
    79,863.23/119,693.09 = 42,441.23/x
  3. Step 3: Cross multiply
    79,863.23x = 119,693.09 × 42,441.23
  4. Step 4: Simplify right side
    79,863.23x = 5,079,921,962.10
  5. Step 5: Solve for x
    x = 5,079,921,962.10/79,863.23
  6. Step 6: Final answer
    x = 63,607.77

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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.