Home / 75,636.12-113,421.24-23,033.28

Finding the Fourth Proportional to 75,636.12, 113,421.24 and 23,033.28

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Solution

The fourth proportional to 75,636.12, 113,421.24 and 23,033.28 is: 34,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,636.12 : 113,421.24 = 23,033.28 : x
  2. Step 2: Convert to fraction form
    75,636.12/113,421.24 = 23,033.28/x
  3. Step 3: Cross multiply
    75,636.12x = 113,421.24 × 23,033.28
  4. Step 4: Simplify right side
    75,636.12x = 2,612,463,178.87
  5. Step 5: Solve for x
    x = 2,612,463,178.87/75,636.12
  6. Step 6: Final answer
    x = 34,539.89

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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.