Home / 84,834.34-127,230.49-28,673.21

Finding the Fourth Proportional to 84,834.34, 127,230.49 and 28,673.21

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Solution

The fourth proportional to 84,834.34, 127,230.49 and 28,673.21 is: 43,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,834.34 : 127,230.49 = 28,673.21 : x
  2. Step 2: Convert to fraction form
    84,834.34/127,230.49 = 28,673.21/x
  3. Step 3: Cross multiply
    84,834.34x = 127,230.49 × 28,673.21
  4. Step 4: Simplify right side
    84,834.34x = 3,648,105,778.65
  5. Step 5: Solve for x
    x = 3,648,105,778.65/84,834.34
  6. Step 6: Final answer
    x = 43,002.70

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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.