Home / 53,081.80-73,250.69-28,882.87

Finding the Fourth Proportional to 53,081.80, 73,250.69 and 28,882.87

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Solution

The fourth proportional to 53,081.80, 73,250.69 and 28,882.87 is: 39,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.80 : 73,250.69 = 28,882.87 : x
  2. Step 2: Convert to fraction form
    53,081.80/73,250.69 = 28,882.87/x
  3. Step 3: Cross multiply
    53,081.80x = 73,250.69 × 28,882.87
  4. Step 4: Simplify right side
    53,081.80x = 2,115,689,937.45
  5. Step 5: Solve for x
    x = 2,115,689,937.45/53,081.80
  6. Step 6: Final answer
    x = 39,857.16

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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.