Home / 72,904.25-109,257.96-37,868.51

Finding the Fourth Proportional to 72,904.25, 109,257.96 and 37,868.51

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Solution

The fourth proportional to 72,904.25, 109,257.96 and 37,868.51 is: 56,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,904.25 : 109,257.96 = 37,868.51 : x
  2. Step 2: Convert to fraction form
    72,904.25/109,257.96 = 37,868.51/x
  3. Step 3: Cross multiply
    72,904.25x = 109,257.96 × 37,868.51
  4. Step 4: Simplify right side
    72,904.25x = 4,137,436,565.99
  5. Step 5: Solve for x
    x = 4,137,436,565.99/72,904.25
  6. Step 6: Final answer
    x = 56,751.65

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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.