Home / 108,391.21-162,570.40-29,511.65

Finding the Fourth Proportional to 108,391.21, 162,570.40 and 29,511.65

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Solution

The fourth proportional to 108,391.21, 162,570.40 and 29,511.65 is: 44,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,391.21 : 162,570.40 = 29,511.65 : x
  2. Step 2: Convert to fraction form
    108,391.21/162,570.40 = 29,511.65/x
  3. Step 3: Cross multiply
    108,391.21x = 162,570.40 × 29,511.65
  4. Step 4: Simplify right side
    108,391.21x = 4,797,720,745.16
  5. Step 5: Solve for x
    x = 4,797,720,745.16/108,391.21
  6. Step 6: Final answer
    x = 44,263.01

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1.5x scale

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.