Home / 43,398.96-65,123.02-17,122.15

Finding the Fourth Proportional to 43,398.96, 65,123.02 and 17,122.15

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Solution

The fourth proportional to 43,398.96, 65,123.02 and 17,122.15 is: 25,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.96 : 65,123.02 = 17,122.15 : x
  2. Step 2: Convert to fraction form
    43,398.96/65,123.02 = 17,122.15/x
  3. Step 3: Cross multiply
    43,398.96x = 65,123.02 × 17,122.15
  4. Step 4: Simplify right side
    43,398.96x = 1,115,046,116.89
  5. Step 5: Solve for x
    x = 1,115,046,116.89/43,398.96
  6. Step 6: Final answer
    x = 25,692.93

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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.