Home / 108,780.46-163,219.64-58,802.05

Finding the Fourth Proportional to 108,780.46, 163,219.64 and 58,802.05

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Solution

The fourth proportional to 108,780.46, 163,219.64 and 58,802.05 is: 88,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,780.46 : 163,219.64 = 58,802.05 : x
  2. Step 2: Convert to fraction form
    108,780.46/163,219.64 = 58,802.05/x
  3. Step 3: Cross multiply
    108,780.46x = 163,219.64 × 58,802.05
  4. Step 4: Simplify right side
    108,780.46x = 9,597,649,432.26
  5. Step 5: Solve for x
    x = 9,597,649,432.26/108,780.46
  6. Step 6: Final answer
    x = 88,229.54

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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.