Home / 76,036.74-114,061.60-19,876.76

Finding the Fourth Proportional to 76,036.74, 114,061.60 and 19,876.76

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Solution

The fourth proportional to 76,036.74, 114,061.60 and 19,876.76 is: 29,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.74 : 114,061.60 = 19,876.76 : x
  2. Step 2: Convert to fraction form
    76,036.74/114,061.60 = 19,876.76/x
  3. Step 3: Cross multiply
    76,036.74x = 114,061.60 × 19,876.76
  4. Step 4: Simplify right side
    76,036.74x = 2,267,174,766.63
  5. Step 5: Solve for x
    x = 2,267,174,766.63/76,036.74
  6. Step 6: Final answer
    x = 29,816.83

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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.