Home / 67,785.88-93,546.91-40,923.14

Finding the Fourth Proportional to 67,785.88, 93,546.91 and 40,923.14

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Solution

The fourth proportional to 67,785.88, 93,546.91 and 40,923.14 is: 56,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.88 : 93,546.91 = 40,923.14 : x
  2. Step 2: Convert to fraction form
    67,785.88/93,546.91 = 40,923.14/x
  3. Step 3: Cross multiply
    67,785.88x = 93,546.91 × 40,923.14
  4. Step 4: Simplify right side
    67,785.88x = 3,828,233,294.50
  5. Step 5: Solve for x
    x = 3,828,233,294.50/67,785.88
  6. Step 6: Final answer
    x = 56,475.38

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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.