Home / 69,917.80-96,488.94-39,702.10

Finding the Fourth Proportional to 69,917.80, 96,488.94 and 39,702.10

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Solution

The fourth proportional to 69,917.80, 96,488.94 and 39,702.10 is: 54,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.80 : 96,488.94 = 39,702.10 : x
  2. Step 2: Convert to fraction form
    69,917.80/96,488.94 = 39,702.10/x
  3. Step 3: Cross multiply
    69,917.80x = 96,488.94 × 39,702.10
  4. Step 4: Simplify right side
    69,917.80x = 3,830,813,544.77
  5. Step 5: Solve for x
    x = 3,830,813,544.77/69,917.80
  6. Step 6: Final answer
    x = 54,790.25

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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.