Home / 69,248.12-103,836.60-31,775.93

Finding the Fourth Proportional to 69,248.12, 103,836.60 and 31,775.93

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Solution

The fourth proportional to 69,248.12, 103,836.60 and 31,775.93 is: 47,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,248.12 : 103,836.60 = 31,775.93 : x
  2. Step 2: Convert to fraction form
    69,248.12/103,836.60 = 31,775.93/x
  3. Step 3: Cross multiply
    69,248.12x = 103,836.60 × 31,775.93
  4. Step 4: Simplify right side
    69,248.12x = 3,299,504,403.24
  5. Step 5: Solve for x
    x = 3,299,504,403.24/69,248.12
  6. Step 6: Final answer
    x = 47,647.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.