Home / 52,426.44-78,673.49-19,143.71

Finding the Fourth Proportional to 52,426.44, 78,673.49 and 19,143.71

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Solution

The fourth proportional to 52,426.44, 78,673.49 and 19,143.71 is: 28,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,426.44 : 78,673.49 = 19,143.71 : x
  2. Step 2: Convert to fraction form
    52,426.44/78,673.49 = 19,143.71/x
  3. Step 3: Cross multiply
    52,426.44x = 78,673.49 × 19,143.71
  4. Step 4: Simplify right side
    52,426.44x = 1,506,102,578.21
  5. Step 5: Solve for x
    x = 1,506,102,578.21/52,426.44
  6. Step 6: Final answer
    x = 28,727.92

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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.