Home / 89,330.34-123,286.81-51,604.59

Finding the Fourth Proportional to 89,330.34, 123,286.81 and 51,604.59

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Solution

The fourth proportional to 89,330.34, 123,286.81 and 51,604.59 is: 71,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.34 : 123,286.81 = 51,604.59 : x
  2. Step 2: Convert to fraction form
    89,330.34/123,286.81 = 51,604.59/x
  3. Step 3: Cross multiply
    89,330.34x = 123,286.81 × 51,604.59
  4. Step 4: Simplify right side
    89,330.34x = 6,362,165,712.53
  5. Step 5: Solve for x
    x = 6,362,165,712.53/89,330.34
  6. Step 6: Final answer
    x = 71,220.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.