Home / 120,036.52-180,076.66-41,158.72

Finding the Fourth Proportional to 120,036.52, 180,076.66 and 41,158.72

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Solution

The fourth proportional to 120,036.52, 180,076.66 and 41,158.72 is: 61,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,036.52 : 180,076.66 = 41,158.72 : x
  2. Step 2: Convert to fraction form
    120,036.52/180,076.66 = 41,158.72/x
  3. Step 3: Cross multiply
    120,036.52x = 180,076.66 × 41,158.72
  4. Step 4: Simplify right side
    120,036.52x = 7,411,724,827.48
  5. Step 5: Solve for x
    x = 7,411,724,827.48/120,036.52
  6. Step 6: Final answer
    x = 61,745.58

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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.