Home / 76,835.19-115,296.54-61,351.23

Finding the Fourth Proportional to 76,835.19, 115,296.54 and 61,351.23

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Solution

The fourth proportional to 76,835.19, 115,296.54 and 61,351.23 is: 92,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,835.19 : 115,296.54 = 61,351.23 : x
  2. Step 2: Convert to fraction form
    76,835.19/115,296.54 = 61,351.23/x
  3. Step 3: Cross multiply
    76,835.19x = 115,296.54 × 61,351.23
  4. Step 4: Simplify right side
    76,835.19x = 7,073,584,543.74
  5. Step 5: Solve for x
    x = 7,073,584,543.74/76,835.19
  6. Step 6: Final answer
    x = 92,061.78

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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.