Home / 89,745.80-134,574.14-52,315.29

Finding the Fourth Proportional to 89,745.80, 134,574.14 and 52,315.29

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Solution

The fourth proportional to 89,745.80, 134,574.14 and 52,315.29 is: 78,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,745.80 : 134,574.14 = 52,315.29 : x
  2. Step 2: Convert to fraction form
    89,745.80/134,574.14 = 52,315.29/x
  3. Step 3: Cross multiply
    89,745.80x = 134,574.14 × 52,315.29
  4. Step 4: Simplify right side
    89,745.80x = 7,040,285,291.39
  5. Step 5: Solve for x
    x = 7,040,285,291.39/89,745.80
  6. Step 6: Final answer
    x = 78,446.97

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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.