Home / 52,981.64-73,115.16-29,108.81

Finding the Fourth Proportional to 52,981.64, 73,115.16 and 29,108.81

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Solution

The fourth proportional to 52,981.64, 73,115.16 and 29,108.81 is: 40,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,981.64 : 73,115.16 = 29,108.81 : x
  2. Step 2: Convert to fraction form
    52,981.64/73,115.16 = 29,108.81/x
  3. Step 3: Cross multiply
    52,981.64x = 73,115.16 × 29,108.81
  4. Step 4: Simplify right side
    52,981.64x = 2,128,295,300.56
  5. Step 5: Solve for x
    x = 2,128,295,300.56/52,981.64
  6. Step 6: Final answer
    x = 40,170.43

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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.