Home / 117,723.81-162,454.38-64,008.87

Finding the Fourth Proportional to 117,723.81, 162,454.38 and 64,008.87

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Solution

The fourth proportional to 117,723.81, 162,454.38 and 64,008.87 is: 88,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,723.81 : 162,454.38 = 64,008.87 : x
  2. Step 2: Convert to fraction form
    117,723.81/162,454.38 = 64,008.87/x
  3. Step 3: Cross multiply
    117,723.81x = 162,454.38 × 64,008.87
  4. Step 4: Simplify right side
    117,723.81x = 10,398,521,624.96
  5. Step 5: Solve for x
    x = 10,398,521,624.96/117,723.81
  6. Step 6: Final answer
    x = 88,329.81

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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.