Home / 107,975.39-149,005.95-60,228.72

Finding the Fourth Proportional to 107,975.39, 149,005.95 and 60,228.72

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Solution

The fourth proportional to 107,975.39, 149,005.95 and 60,228.72 is: 83,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,975.39 : 149,005.95 = 60,228.72 : x
  2. Step 2: Convert to fraction form
    107,975.39/149,005.95 = 60,228.72/x
  3. Step 3: Cross multiply
    107,975.39x = 149,005.95 × 60,228.72
  4. Step 4: Simplify right side
    107,975.39x = 8,974,437,640.88
  5. Step 5: Solve for x
    x = 8,974,437,640.88/107,975.39
  6. Step 6: Final answer
    x = 83,115.59

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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.