Home / 83,812.02-115,650.88-47,999.89

Finding the Fourth Proportional to 83,812.02, 115,650.88 and 47,999.89

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Solution

The fourth proportional to 83,812.02, 115,650.88 and 47,999.89 is: 66,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.02 : 115,650.88 = 47,999.89 : x
  2. Step 2: Convert to fraction form
    83,812.02/115,650.88 = 47,999.89/x
  3. Step 3: Cross multiply
    83,812.02x = 115,650.88 × 47,999.89
  4. Step 4: Simplify right side
    83,812.02x = 5,551,229,518.40
  5. Step 5: Solve for x
    x = 5,551,229,518.40/83,812.02
  6. Step 6: Final answer
    x = 66,234.29

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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.