Home / 69,976.40-96,567.48-38,145.32

Finding the Fourth Proportional to 69,976.40, 96,567.48 and 38,145.32

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Solution

The fourth proportional to 69,976.40, 96,567.48 and 38,145.32 is: 52,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.40 : 96,567.48 = 38,145.32 : x
  2. Step 2: Convert to fraction form
    69,976.40/96,567.48 = 38,145.32/x
  3. Step 3: Cross multiply
    69,976.40x = 96,567.48 × 38,145.32
  4. Step 4: Simplify right side
    69,976.40x = 3,683,597,426.19
  5. Step 5: Solve for x
    x = 3,683,597,426.19/69,976.40
  6. Step 6: Final answer
    x = 52,640.57

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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.