Home / 52,755.38-72,803.34-28,881.68

Finding the Fourth Proportional to 52,755.38, 72,803.34 and 28,881.68

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Solution

The fourth proportional to 52,755.38, 72,803.34 and 28,881.68 is: 39,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.38 : 72,803.34 = 28,881.68 : x
  2. Step 2: Convert to fraction form
    52,755.38/72,803.34 = 28,881.68/x
  3. Step 3: Cross multiply
    52,755.38x = 72,803.34 × 28,881.68
  4. Step 4: Simplify right side
    52,755.38x = 2,102,682,768.81
  5. Step 5: Solve for x
    x = 2,102,682,768.81/52,755.38
  6. Step 6: Final answer
    x = 39,857.22

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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.