Home / 108,511.26-162,872.10-52,390.95

Finding the Fourth Proportional to 108,511.26, 162,872.10 and 52,390.95

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Solution

The fourth proportional to 108,511.26, 162,872.10 and 52,390.95 is: 78,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.26 : 162,872.10 = 52,390.95 : x
  2. Step 2: Convert to fraction form
    108,511.26/162,872.10 = 52,390.95/x
  3. Step 3: Cross multiply
    108,511.26x = 162,872.10 × 52,390.95
  4. Step 4: Simplify right side
    108,511.26x = 8,533,024,047.50
  5. Step 5: Solve for x
    x = 8,533,024,047.50/108,511.26
  6. Step 6: Final answer
    x = 78,637.22

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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.