Home / 52,510.16-78,765.54-13,067.28

Finding the Fourth Proportional to 52,510.16, 78,765.54 and 13,067.28

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Solution

The fourth proportional to 52,510.16, 78,765.54 and 13,067.28 is: 19,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.16 : 78,765.54 = 13,067.28 : x
  2. Step 2: Convert to fraction form
    52,510.16/78,765.54 = 13,067.28/x
  3. Step 3: Cross multiply
    52,510.16x = 78,765.54 × 13,067.28
  4. Step 4: Simplify right side
    52,510.16x = 1,029,251,365.53
  5. Step 5: Solve for x
    x = 1,029,251,365.53/52,510.16
  6. Step 6: Final answer
    x = 19,600.99

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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.