Home / 79,850.27-119,854.63-42,410.65

Finding the Fourth Proportional to 79,850.27, 119,854.63 and 42,410.65

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Solution

The fourth proportional to 79,850.27, 119,854.63 and 42,410.65 is: 63,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,850.27 : 119,854.63 = 42,410.65 : x
  2. Step 2: Convert to fraction form
    79,850.27/119,854.63 = 42,410.65/x
  3. Step 3: Cross multiply
    79,850.27x = 119,854.63 × 42,410.65
  4. Step 4: Simplify right side
    79,850.27x = 5,083,112,763.81
  5. Step 5: Solve for x
    x = 5,083,112,763.81/79,850.27
  6. Step 6: Final answer
    x = 63,658.05

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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.