Home / 84,734.28-116,920.80-47,008.80

Finding the Fourth Proportional to 84,734.28, 116,920.80 and 47,008.80

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Solution

The fourth proportional to 84,734.28, 116,920.80 and 47,008.80 is: 64,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734.28 : 116,920.80 = 47,008.80 : x
  2. Step 2: Convert to fraction form
    84,734.28/116,920.80 = 47,008.80/x
  3. Step 3: Cross multiply
    84,734.28x = 116,920.80 × 47,008.80
  4. Step 4: Simplify right side
    84,734.28x = 5,496,306,503.04
  5. Step 5: Solve for x
    x = 5,496,306,503.04/84,734.28
  6. Step 6: Final answer
    x = 64,865.21

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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.