Home / 52,489.08-78,717.47-15,039.12

Finding the Fourth Proportional to 52,489.08, 78,717.47 and 15,039.12

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Solution

The fourth proportional to 52,489.08, 78,717.47 and 15,039.12 is: 22,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.08 : 78,717.47 = 15,039.12 : x
  2. Step 2: Convert to fraction form
    52,489.08/78,717.47 = 15,039.12/x
  3. Step 3: Cross multiply
    52,489.08x = 78,717.47 × 15,039.12
  4. Step 4: Simplify right side
    52,489.08x = 1,183,841,339.23
  5. Step 5: Solve for x
    x = 1,183,841,339.23/52,489.08
  6. Step 6: Final answer
    x = 22,554.05

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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.