Home / 79,878.10-119,834.16-23,718.37

Finding the Fourth Proportional to 79,878.10, 119,834.16 and 23,718.37

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Solution

The fourth proportional to 79,878.10, 119,834.16 and 23,718.37 is: 35,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.10 : 119,834.16 = 23,718.37 : x
  2. Step 2: Convert to fraction form
    79,878.10/119,834.16 = 23,718.37/x
  3. Step 3: Cross multiply
    79,878.10x = 119,834.16 × 23,718.37
  4. Step 4: Simplify right side
    79,878.10x = 2,842,270,945.52
  5. Step 5: Solve for x
    x = 2,842,270,945.52/79,878.10
  6. Step 6: Final answer
    x = 35,582.61

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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.