Home / 91,579.71-137,458.22-44,228.05

Finding the Fourth Proportional to 91,579.71, 137,458.22 and 44,228.05

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Solution

The fourth proportional to 91,579.71, 137,458.22 and 44,228.05 is: 66,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.71 : 137,458.22 = 44,228.05 : x
  2. Step 2: Convert to fraction form
    91,579.71/137,458.22 = 44,228.05/x
  3. Step 3: Cross multiply
    91,579.71x = 137,458.22 × 44,228.05
  4. Step 4: Simplify right side
    91,579.71x = 6,079,509,027.07
  5. Step 5: Solve for x
    x = 6,079,509,027.07/91,579.71
  6. Step 6: Final answer
    x = 66,384.89

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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.