Home / 89,410.50-123,382.08-53,593.56

Finding the Fourth Proportional to 89,410.50, 123,382.08 and 53,593.56

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Solution

The fourth proportional to 89,410.50, 123,382.08 and 53,593.56 is: 73,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,410.50 : 123,382.08 = 53,593.56 : x
  2. Step 2: Convert to fraction form
    89,410.50/123,382.08 = 53,593.56/x
  3. Step 3: Cross multiply
    89,410.50x = 123,382.08 × 53,593.56
  4. Step 4: Simplify right side
    89,410.50x = 6,612,484,907.40
  5. Step 5: Solve for x
    x = 6,612,484,907.40/89,410.50
  6. Step 6: Final answer
    x = 73,956.47

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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.