Home / 54,559.86-81,708.57-37,899.78

Finding the Fourth Proportional to 54,559.86, 81,708.57 and 37,899.78

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Solution

The fourth proportional to 54,559.86, 81,708.57 and 37,899.78 is: 56,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.86 : 81,708.57 = 37,899.78 : x
  2. Step 2: Convert to fraction form
    54,559.86/81,708.57 = 37,899.78/x
  3. Step 3: Cross multiply
    54,559.86x = 81,708.57 × 37,899.78
  4. Step 4: Simplify right side
    54,559.86x = 3,096,736,827.11
  5. Step 5: Solve for x
    x = 3,096,736,827.11/54,559.86
  6. Step 6: Final answer
    x = 56,758.52

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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.