Home / 53,254.92-79,868.68-15,806.12

Finding the Fourth Proportional to 53,254.92, 79,868.68 and 15,806.12

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Solution

The fourth proportional to 53,254.92, 79,868.68 and 15,806.12 is: 23,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254.92 : 79,868.68 = 15,806.12 : x
  2. Step 2: Convert to fraction form
    53,254.92/79,868.68 = 15,806.12/x
  3. Step 3: Cross multiply
    53,254.92x = 79,868.68 × 15,806.12
  4. Step 4: Simplify right side
    53,254.92x = 1,262,413,940.32
  5. Step 5: Solve for x
    x = 1,262,413,940.32/53,254.92
  6. Step 6: Final answer
    x = 23,705.11

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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.