Home / 69,780.86-96,295.52-39,568.94

Finding the Fourth Proportional to 69,780.86, 96,295.52 and 39,568.94

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Solution

The fourth proportional to 69,780.86, 96,295.52 and 39,568.94 is: 54,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.86 : 96,295.52 = 39,568.94 : x
  2. Step 2: Convert to fraction form
    69,780.86/96,295.52 = 39,568.94/x
  3. Step 3: Cross multiply
    69,780.86x = 96,295.52 × 39,568.94
  4. Step 4: Simplify right side
    69,780.86x = 3,810,311,270.59
  5. Step 5: Solve for x
    x = 3,810,311,270.59/69,780.86
  6. Step 6: Final answer
    x = 54,603.96

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1.5x scale

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.