Home / 77,207.93-115,828.13-26,611.58

Finding the Fourth Proportional to 77,207.93, 115,828.13 and 26,611.58

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Solution

The fourth proportional to 77,207.93, 115,828.13 and 26,611.58 is: 39,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.93 : 115,828.13 = 26,611.58 : x
  2. Step 2: Convert to fraction form
    77,207.93/115,828.13 = 26,611.58/x
  3. Step 3: Cross multiply
    77,207.93x = 115,828.13 × 26,611.58
  4. Step 4: Simplify right side
    77,207.93x = 3,082,369,108.14
  5. Step 5: Solve for x
    x = 3,082,369,108.14/77,207.93
  6. Step 6: Final answer
    x = 39,922.96

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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.