Home / 89,453.46-123,438.38-51,204.20

Finding the Fourth Proportional to 89,453.46, 123,438.38 and 51,204.20

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Solution

The fourth proportional to 89,453.46, 123,438.38 and 51,204.20 is: 70,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,453.46 : 123,438.38 = 51,204.20 : x
  2. Step 2: Convert to fraction form
    89,453.46/123,438.38 = 51,204.20/x
  3. Step 3: Cross multiply
    89,453.46x = 123,438.38 × 51,204.20
  4. Step 4: Simplify right side
    89,453.46x = 6,320,563,606.35
  5. Step 5: Solve for x
    x = 6,320,563,606.35/89,453.46
  6. Step 6: Final answer
    x = 70,657.56

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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.