Home / 73,780.24-101,816.52-40,246

Finding the Fourth Proportional to 73,780.24, 101,816.52 and 40,246

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Solution

The fourth proportional to 73,780.24, 101,816.52 and 40,246 is: 55,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.24 : 101,816.52 = 40,246 : x
  2. Step 2: Convert to fraction form
    73,780.24/101,816.52 = 40,246/x
  3. Step 3: Cross multiply
    73,780.24x = 101,816.52 × 40,246
  4. Step 4: Simplify right side
    73,780.24x = 4,097,707,663.92
  5. Step 5: Solve for x
    x = 4,097,707,663.92/73,780.24
  6. Step 6: Final answer
    x = 55,539.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.