Home / 78,518.68-108,353.52-44,530.36

Finding the Fourth Proportional to 78,518.68, 108,353.52 and 44,530.36

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Solution

The fourth proportional to 78,518.68, 108,353.52 and 44,530.36 is: 61,450.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,518.68 : 108,353.52 = 44,530.36 : x
  2. Step 2: Convert to fraction form
    78,518.68/108,353.52 = 44,530.36/x
  3. Step 3: Cross multiply
    78,518.68x = 108,353.52 × 44,530.36
  4. Step 4: Simplify right side
    78,518.68x = 4,825,021,252.87
  5. Step 5: Solve for x
    x = 4,825,021,252.87/78,518.68
  6. Step 6: Final answer
    x = 61,450.62

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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.