Home / 69,778.35-96,300.77-39,565.08

Finding the Fourth Proportional to 69,778.35, 96,300.77 and 39,565.08

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Solution

The fourth proportional to 69,778.35, 96,300.77 and 39,565.08 is: 54,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.35 : 96,300.77 = 39,565.08 : x
  2. Step 2: Convert to fraction form
    69,778.35/96,300.77 = 39,565.08/x
  3. Step 3: Cross multiply
    69,778.35x = 96,300.77 × 39,565.08
  4. Step 4: Simplify right side
    69,778.35x = 3,810,147,471.29
  5. Step 5: Solve for x
    x = 3,810,147,471.29/69,778.35
  6. Step 6: Final answer
    x = 54,603.58

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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.