Home / 51,617.12-77,473.20-31,934.12

Finding the Fourth Proportional to 51,617.12, 77,473.20 and 31,934.12

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Solution

The fourth proportional to 51,617.12, 77,473.20 and 31,934.12 is: 47,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,617.12 : 77,473.20 = 31,934.12 : x
  2. Step 2: Convert to fraction form
    51,617.12/77,473.20 = 31,934.12/x
  3. Step 3: Cross multiply
    51,617.12x = 77,473.20 × 31,934.12
  4. Step 4: Simplify right side
    51,617.12x = 2,474,038,465.58
  5. Step 5: Solve for x
    x = 2,474,038,465.58/51,617.12
  6. Step 6: Final answer
    x = 47,930.58

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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.