Home / 69,942.04-96,518.80-38,111.20

Finding the Fourth Proportional to 69,942.04, 96,518.80 and 38,111.20

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Solution

The fourth proportional to 69,942.04, 96,518.80 and 38,111.20 is: 52,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.04 : 96,518.80 = 38,111.20 : x
  2. Step 2: Convert to fraction form
    69,942.04/96,518.80 = 38,111.20/x
  3. Step 3: Cross multiply
    69,942.04x = 96,518.80 × 38,111.20
  4. Step 4: Simplify right side
    69,942.04x = 3,678,447,290.56
  5. Step 5: Solve for x
    x = 3,678,447,290.56/69,942.04
  6. Step 6: Final answer
    x = 52,592.79

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