Home / 94,429.94-130,309.43-54,115.70

Finding the Fourth Proportional to 94,429.94, 130,309.43 and 54,115.70

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Solution

The fourth proportional to 94,429.94, 130,309.43 and 54,115.70 is: 74,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,429.94 : 130,309.43 = 54,115.70 : x
  2. Step 2: Convert to fraction form
    94,429.94/130,309.43 = 54,115.70/x
  3. Step 3: Cross multiply
    94,429.94x = 130,309.43 × 54,115.70
  4. Step 4: Simplify right side
    94,429.94x = 7,051,785,098.93
  5. Step 5: Solve for x
    x = 7,051,785,098.93/94,429.94
  6. Step 6: Final answer
    x = 74,677.43

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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.