Home / 108,680.96-163,021.98-49,475.22

Finding the Fourth Proportional to 108,680.96, 163,021.98 and 49,475.22

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Solution

The fourth proportional to 108,680.96, 163,021.98 and 49,475.22 is: 74,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,680.96 : 163,021.98 = 49,475.22 : x
  2. Step 2: Convert to fraction form
    108,680.96/163,021.98 = 49,475.22/x
  3. Step 3: Cross multiply
    108,680.96x = 163,021.98 × 49,475.22
  4. Step 4: Simplify right side
    108,680.96x = 8,065,548,325.34
  5. Step 5: Solve for x
    x = 8,065,548,325.34/108,680.96
  6. Step 6: Final answer
    x = 74,213.08

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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.