Home / 67,759.05-101,570.91-45,288.65

Finding the Fourth Proportional to 67,759.05, 101,570.91 and 45,288.65

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Solution

The fourth proportional to 67,759.05, 101,570.91 and 45,288.65 is: 67,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,759.05 : 101,570.91 = 45,288.65 : x
  2. Step 2: Convert to fraction form
    67,759.05/101,570.91 = 45,288.65/x
  3. Step 3: Cross multiply
    67,759.05x = 101,570.91 × 45,288.65
  4. Step 4: Simplify right side
    67,759.05x = 4,600,009,477.27
  5. Step 5: Solve for x
    x = 4,600,009,477.27/67,759.05
  6. Step 6: Final answer
    x = 67,887.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.