Home / 84,721.90-116,930.24-47,008.30

Finding the Fourth Proportional to 84,721.90, 116,930.24 and 47,008.30

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Solution

The fourth proportional to 84,721.90, 116,930.24 and 47,008.30 is: 64,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.90 : 116,930.24 = 47,008.30 : x
  2. Step 2: Convert to fraction form
    84,721.90/116,930.24 = 47,008.30/x
  3. Step 3: Cross multiply
    84,721.90x = 116,930.24 × 47,008.30
  4. Step 4: Simplify right side
    84,721.90x = 5,496,691,800.99
  5. Step 5: Solve for x
    x = 5,496,691,800.99/84,721.90
  6. Step 6: Final answer
    x = 64,879.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.