Home / 89,646.32-123,716.47-50,886.87

Finding the Fourth Proportional to 89,646.32, 123,716.47 and 50,886.87

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Solution

The fourth proportional to 89,646.32, 123,716.47 and 50,886.87 is: 70,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,646.32 : 123,716.47 = 50,886.87 : x
  2. Step 2: Convert to fraction form
    89,646.32/123,716.47 = 50,886.87/x
  3. Step 3: Cross multiply
    89,646.32x = 123,716.47 × 50,886.87
  4. Step 4: Simplify right side
    89,646.32x = 6,295,544,235.04
  5. Step 5: Solve for x
    x = 6,295,544,235.04/89,646.32
  6. Step 6: Final answer
    x = 70,226.46

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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.