Home / 108,961.04-163,437.12-30,073.24

Finding the Fourth Proportional to 108,961.04, 163,437.12 and 30,073.24

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Solution

The fourth proportional to 108,961.04, 163,437.12 and 30,073.24 is: 45,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,961.04 : 163,437.12 = 30,073.24 : x
  2. Step 2: Convert to fraction form
    108,961.04/163,437.12 = 30,073.24/x
  3. Step 3: Cross multiply
    108,961.04x = 163,437.12 × 30,073.24
  4. Step 4: Simplify right side
    108,961.04x = 4,915,083,734.67
  5. Step 5: Solve for x
    x = 4,915,083,734.67/108,961.04
  6. Step 6: Final answer
    x = 45,108.63

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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.