Home / 89,330.89-123,252.57-51,082.56

Finding the Fourth Proportional to 89,330.89, 123,252.57 and 51,082.56

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Solution

The fourth proportional to 89,330.89, 123,252.57 and 51,082.56 is: 70,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.89 : 123,252.57 = 51,082.56 : x
  2. Step 2: Convert to fraction form
    89,330.89/123,252.57 = 51,082.56/x
  3. Step 3: Cross multiply
    89,330.89x = 123,252.57 × 51,082.56
  4. Step 4: Simplify right side
    89,330.89x = 6,296,056,802.18
  5. Step 5: Solve for x
    x = 6,296,056,802.18/89,330.89
  6. Step 6: Final answer
    x = 70,480.18

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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.