Home / 77,725.33-116,588.18-21,568.45

Finding the Fourth Proportional to 77,725.33, 116,588.18 and 21,568.45

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Solution

The fourth proportional to 77,725.33, 116,588.18 and 21,568.45 is: 32,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.33 : 116,588.18 = 21,568.45 : x
  2. Step 2: Convert to fraction form
    77,725.33/116,588.18 = 21,568.45/x
  3. Step 3: Cross multiply
    77,725.33x = 116,588.18 × 21,568.45
  4. Step 4: Simplify right side
    77,725.33x = 2,514,626,190.65
  5. Step 5: Solve for x
    x = 2,514,626,190.65/77,725.33
  6. Step 6: Final answer
    x = 32,352.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.