Home / 52,297.20-78,426.14-19,009.04

Finding the Fourth Proportional to 52,297.20, 78,426.14 and 19,009.04

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Solution

The fourth proportional to 52,297.20, 78,426.14 and 19,009.04 is: 28,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,297.20 : 78,426.14 = 19,009.04 : x
  2. Step 2: Convert to fraction form
    52,297.20/78,426.14 = 19,009.04/x
  3. Step 3: Cross multiply
    52,297.20x = 78,426.14 × 19,009.04
  4. Step 4: Simplify right side
    52,297.20x = 1,490,805,632.31
  5. Step 5: Solve for x
    x = 1,490,805,632.31/52,297.20
  6. Step 6: Final answer
    x = 28,506.41

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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.