Home / 55,999.20-84,517.32-55,999.20

Finding the Fourth Proportional to 55,999.20, 84,517.32 and 55,999.20

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Solution

The fourth proportional to 55,999.20, 84,517.32 and 55,999.20 is: 84,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.20 : 84,517.32 = 55,999.20 : x
  2. Step 2: Convert to fraction form
    55,999.20/84,517.32 = 55,999.20/x
  3. Step 3: Cross multiply
    55,999.20x = 84,517.32 × 55,999.20
  4. Step 4: Simplify right side
    55,999.20x = 4,732,902,306.14
  5. Step 5: Solve for x
    x = 4,732,902,306.14/55,999.20
  6. Step 6: Final answer
    x = 84,517.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.