Home / 53,020.16-73,166.88-29,146.64

Finding the Fourth Proportional to 53,020.16, 73,166.88 and 29,146.64

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Solution

The fourth proportional to 53,020.16, 73,166.88 and 29,146.64 is: 40,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.16 : 73,166.88 = 29,146.64 : x
  2. Step 2: Convert to fraction form
    53,020.16/73,166.88 = 29,146.64/x
  3. Step 3: Cross multiply
    53,020.16x = 73,166.88 × 29,146.64
  4. Step 4: Simplify right side
    53,020.16x = 2,132,568,711.28
  5. Step 5: Solve for x
    x = 2,132,568,711.28/53,020.16
  6. Step 6: Final answer
    x = 40,221.85

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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.