Home / 90,028.80-134,960.64-34,583.04

Finding the Fourth Proportional to 90,028.80, 134,960.64 and 34,583.04

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Solution

The fourth proportional to 90,028.80, 134,960.64 and 34,583.04 is: 51,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,028.80 : 134,960.64 = 34,583.04 : x
  2. Step 2: Convert to fraction form
    90,028.80/134,960.64 = 34,583.04/x
  3. Step 3: Cross multiply
    90,028.80x = 134,960.64 × 34,583.04
  4. Step 4: Simplify right side
    90,028.80x = 4,667,349,211.55
  5. Step 5: Solve for x
    x = 4,667,349,211.55/90,028.80
  6. Step 6: Final answer
    x = 51,842.85

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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.