Home / 75,167.21-103,732.43-42,901.19

Finding the Fourth Proportional to 75,167.21, 103,732.43 and 42,901.19

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Solution

The fourth proportional to 75,167.21, 103,732.43 and 42,901.19 is: 59,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.21 : 103,732.43 = 42,901.19 : x
  2. Step 2: Convert to fraction form
    75,167.21/103,732.43 = 42,901.19/x
  3. Step 3: Cross multiply
    75,167.21x = 103,732.43 × 42,901.19
  4. Step 4: Simplify right side
    75,167.21x = 4,450,244,277.18
  5. Step 5: Solve for x
    x = 4,450,244,277.18/75,167.21
  6. Step 6: Final answer
    x = 59,204.59

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1.5x scale

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.