Home / 108,961.03-163,452.17-42,406.57

Finding the Fourth Proportional to 108,961.03, 163,452.17 and 42,406.57

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Solution

The fourth proportional to 108,961.03, 163,452.17 and 42,406.57 is: 63,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,961.03 : 163,452.17 = 42,406.57 : x
  2. Step 2: Convert to fraction form
    108,961.03/163,452.17 = 42,406.57/x
  3. Step 3: Cross multiply
    108,961.03x = 163,452.17 × 42,406.57
  4. Step 4: Simplify right side
    108,961.03x = 6,931,445,888.76
  5. Step 5: Solve for x
    x = 6,931,445,888.76/108,961.03
  6. Step 6: Final answer
    x = 63,613.99

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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.