Home / 69,923.80-96,530.61-47,381.92

Finding the Fourth Proportional to 69,923.80, 96,530.61 and 47,381.92

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Solution

The fourth proportional to 69,923.80, 96,530.61 and 47,381.92 is: 65,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923.80 : 96,530.61 = 47,381.92 : x
  2. Step 2: Convert to fraction form
    69,923.80/96,530.61 = 47,381.92/x
  3. Step 3: Cross multiply
    69,923.80x = 96,530.61 × 47,381.92
  4. Step 4: Simplify right side
    69,923.80x = 4,573,805,640.57
  5. Step 5: Solve for x
    x = 4,573,805,640.57/69,923.80
  6. Step 6: Final answer
    x = 65,411.29

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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.