Home / 75,638.12-113,424.24-23,035.28

Finding the Fourth Proportional to 75,638.12, 113,424.24 and 23,035.28

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Solution

The fourth proportional to 75,638.12, 113,424.24 and 23,035.28 is: 34,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.12 : 113,424.24 = 23,035.28 : x
  2. Step 2: Convert to fraction form
    75,638.12/113,424.24 = 23,035.28/x
  3. Step 3: Cross multiply
    75,638.12x = 113,424.24 × 23,035.28
  4. Step 4: Simplify right side
    75,638.12x = 2,612,759,127.19
  5. Step 5: Solve for x
    x = 2,612,759,127.19/75,638.12
  6. Step 6: Final answer
    x = 34,542.89

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1.5x scale

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.