Home / 54,884.35-82,228.11-51,931.90

Finding the Fourth Proportional to 54,884.35, 82,228.11 and 51,931.90

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Solution

The fourth proportional to 54,884.35, 82,228.11 and 51,931.90 is: 77,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,884.35 : 82,228.11 = 51,931.90 : x
  2. Step 2: Convert to fraction form
    54,884.35/82,228.11 = 51,931.90/x
  3. Step 3: Cross multiply
    54,884.35x = 82,228.11 × 51,931.90
  4. Step 4: Simplify right side
    54,884.35x = 4,270,261,985.71
  5. Step 5: Solve for x
    x = 4,270,261,985.71/54,884.35
  6. Step 6: Final answer
    x = 77,804.73

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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.