Home / 69,000.64-103,632.18-42,887.92

Finding the Fourth Proportional to 69,000.64, 103,632.18 and 42,887.92

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Solution

The fourth proportional to 69,000.64, 103,632.18 and 42,887.92 is: 64,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,000.64 : 103,632.18 = 42,887.92 : x
  2. Step 2: Convert to fraction form
    69,000.64/103,632.18 = 42,887.92/x
  3. Step 3: Cross multiply
    69,000.64x = 103,632.18 × 42,887.92
  4. Step 4: Simplify right side
    69,000.64x = 4,444,568,645.27
  5. Step 5: Solve for x
    x = 4,444,568,645.27/69,000.64
  6. Step 6: Final answer
    x = 64,413.44

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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.