Home / 108,882.05-163,245.86-42,266.03

Finding the Fourth Proportional to 108,882.05, 163,245.86 and 42,266.03

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Solution

The fourth proportional to 108,882.05, 163,245.86 and 42,266.03 is: 63,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,882.05 : 163,245.86 = 42,266.03 : x
  2. Step 2: Convert to fraction form
    108,882.05/163,245.86 = 42,266.03/x
  3. Step 3: Cross multiply
    108,882.05x = 163,245.86 × 42,266.03
  4. Step 4: Simplify right side
    108,882.05x = 6,899,754,204.81
  5. Step 5: Solve for x
    x = 6,899,754,204.81/108,882.05
  6. Step 6: Final answer
    x = 63,369.07

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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.