Home / 98,429.11-147,667.19-31,869.32

Finding the Fourth Proportional to 98,429.11, 147,667.19 and 31,869.32

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Solution

The fourth proportional to 98,429.11, 147,667.19 and 31,869.32 is: 47,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429.11 : 147,667.19 = 31,869.32 : x
  2. Step 2: Convert to fraction form
    98,429.11/147,667.19 = 31,869.32/x
  3. Step 3: Cross multiply
    98,429.11x = 147,667.19 × 31,869.32
  4. Step 4: Simplify right side
    98,429.11x = 4,706,052,033.93
  5. Step 5: Solve for x
    x = 4,706,052,033.93/98,429.11
  6. Step 6: Final answer
    x = 47,811.59

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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.