Home / 85,593.12-128,396.25-23,262

Finding the Fourth Proportional to 85,593.12, 128,396.25 and 23,262

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Solution

The fourth proportional to 85,593.12, 128,396.25 and 23,262 is: 34,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,593.12 : 128,396.25 = 23,262 : x
  2. Step 2: Convert to fraction form
    85,593.12/128,396.25 = 23,262/x
  3. Step 3: Cross multiply
    85,593.12x = 128,396.25 × 23,262
  4. Step 4: Simplify right side
    85,593.12x = 2,986,753,567.50
  5. Step 5: Solve for x
    x = 2,986,753,567.50/85,593.12
  6. Step 6: Final answer
    x = 34,894.79

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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.