Home / 89,721.82-134,603.88-50,306.14

Finding the Fourth Proportional to 89,721.82, 134,603.88 and 50,306.14

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Solution

The fourth proportional to 89,721.82, 134,603.88 and 50,306.14 is: 75,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,721.82 : 134,603.88 = 50,306.14 : x
  2. Step 2: Convert to fraction form
    89,721.82/134,603.88 = 50,306.14/x
  3. Step 3: Cross multiply
    89,721.82x = 134,603.88 × 50,306.14
  4. Step 4: Simplify right side
    89,721.82x = 6,771,401,631.82
  5. Step 5: Solve for x
    x = 6,771,401,631.82/89,721.82
  6. Step 6: Final answer
    x = 75,471.07

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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.