Home / 108,861.55-163,302.65-42,306.82

Finding the Fourth Proportional to 108,861.55, 163,302.65 and 42,306.82

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Solution

The fourth proportional to 108,861.55, 163,302.65 and 42,306.82 is: 63,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.55 : 163,302.65 = 42,306.82 : x
  2. Step 2: Convert to fraction form
    108,861.55/163,302.65 = 42,306.82/x
  3. Step 3: Cross multiply
    108,861.55x = 163,302.65 × 42,306.82
  4. Step 4: Simplify right side
    108,861.55x = 6,908,815,357.93
  5. Step 5: Solve for x
    x = 6,908,815,357.93/108,861.55
  6. Step 6: Final answer
    x = 63,464.24

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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.