Home / 108,938.13-150,311.30-63,595.54

Finding the Fourth Proportional to 108,938.13, 150,311.30 and 63,595.54

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Solution

The fourth proportional to 108,938.13, 150,311.30 and 63,595.54 is: 87,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,938.13 : 150,311.30 = 63,595.54 : x
  2. Step 2: Convert to fraction form
    108,938.13/150,311.30 = 63,595.54/x
  3. Step 3: Cross multiply
    108,938.13x = 150,311.30 × 63,595.54
  4. Step 4: Simplify right side
    108,938.13x = 9,559,127,540.05
  5. Step 5: Solve for x
    x = 9,559,127,540.05/108,938.13
  6. Step 6: Final answer
    x = 87,748.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.