Home / 89,172.68-123,060.58-50,407.38

Finding the Fourth Proportional to 89,172.68, 123,060.58 and 50,407.38

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Solution

The fourth proportional to 89,172.68, 123,060.58 and 50,407.38 is: 69,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,172.68 : 123,060.58 = 50,407.38 : x
  2. Step 2: Convert to fraction form
    89,172.68/123,060.58 = 50,407.38/x
  3. Step 3: Cross multiply
    89,172.68x = 123,060.58 × 50,407.38
  4. Step 4: Simplify right side
    89,172.68x = 6,203,161,419.08
  5. Step 5: Solve for x
    x = 6,203,161,419.08/89,172.68
  6. Step 6: Final answer
    x = 69,563.47

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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.