Home / 54,051.72-80,931.78-35,285.28

Finding the Fourth Proportional to 54,051.72, 80,931.78 and 35,285.28

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Solution

The fourth proportional to 54,051.72, 80,931.78 and 35,285.28 is: 52,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,051.72 : 80,931.78 = 35,285.28 : x
  2. Step 2: Convert to fraction form
    54,051.72/80,931.78 = 35,285.28/x
  3. Step 3: Cross multiply
    54,051.72x = 80,931.78 × 35,285.28
  4. Step 4: Simplify right side
    54,051.72x = 2,855,700,518.20
  5. Step 5: Solve for x
    x = 2,855,700,518.20/54,051.72
  6. Step 6: Final answer
    x = 52,832.74

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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.