Home / 69,235.53-103,811.77-31,748.64

Finding the Fourth Proportional to 69,235.53, 103,811.77 and 31,748.64

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Solution

The fourth proportional to 69,235.53, 103,811.77 and 31,748.64 is: 47,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,235.53 : 103,811.77 = 31,748.64 : x
  2. Step 2: Convert to fraction form
    69,235.53/103,811.77 = 31,748.64/x
  3. Step 3: Cross multiply
    69,235.53x = 103,811.77 × 31,748.64
  4. Step 4: Simplify right side
    69,235.53x = 3,295,882,434.12
  5. Step 5: Solve for x
    x = 3,295,882,434.12/69,235.53
  6. Step 6: Final answer
    x = 47,603.92

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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.