Home / 94,686.11-142,028.99-55,215.54

Finding the Fourth Proportional to 94,686.11, 142,028.99 and 55,215.54

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Solution

The fourth proportional to 94,686.11, 142,028.99 and 55,215.54 is: 82,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,686.11 : 142,028.99 = 55,215.54 : x
  2. Step 2: Convert to fraction form
    94,686.11/142,028.99 = 55,215.54/x
  3. Step 3: Cross multiply
    94,686.11x = 142,028.99 × 55,215.54
  4. Step 4: Simplify right side
    94,686.11x = 7,842,207,378.50
  5. Step 5: Solve for x
    x = 7,842,207,378.50/94,686.11
  6. Step 6: Final answer
    x = 82,823.21

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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.