Home / 77,040.93-115,587.67-41,505.89

Finding the Fourth Proportional to 77,040.93, 115,587.67 and 41,505.89

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Solution

The fourth proportional to 77,040.93, 115,587.67 and 41,505.89 is: 62,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,040.93 : 115,587.67 = 41,505.89 : x
  2. Step 2: Convert to fraction form
    77,040.93/115,587.67 = 41,505.89/x
  3. Step 3: Cross multiply
    77,040.93x = 115,587.67 × 41,505.89
  4. Step 4: Simplify right side
    77,040.93x = 4,797,569,371.03
  5. Step 5: Solve for x
    x = 4,797,569,371.03/77,040.93
  6. Step 6: Final answer
    x = 62,272.99

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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.