Home / 94,904.84-130,974.43-54,617.72

Finding the Fourth Proportional to 94,904.84, 130,974.43 and 54,617.72

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Solution

The fourth proportional to 94,904.84, 130,974.43 and 54,617.72 is: 75,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,904.84 : 130,974.43 = 54,617.72 : x
  2. Step 2: Convert to fraction form
    94,904.84/130,974.43 = 54,617.72/x
  3. Step 3: Cross multiply
    94,904.84x = 130,974.43 × 54,617.72
  4. Step 4: Simplify right side
    94,904.84x = 7,153,524,935.79
  5. Step 5: Solve for x
    x = 7,153,524,935.79/94,904.84
  6. Step 6: Final answer
    x = 75,375.76

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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.