Home / 101,120.40-151,512.93-61,557.57

Finding the Fourth Proportional to 101,120.40, 151,512.93 and 61,557.57

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Solution

The fourth proportional to 101,120.40, 151,512.93 and 61,557.57 is: 92,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,120.40 : 151,512.93 = 61,557.57 : x
  2. Step 2: Convert to fraction form
    101,120.40/151,512.93 = 61,557.57/x
  3. Step 3: Cross multiply
    101,120.40x = 151,512.93 × 61,557.57
  4. Step 4: Simplify right side
    101,120.40x = 9,326,767,794.38
  5. Step 5: Solve for x
    x = 9,326,767,794.38/101,120.40
  6. Step 6: Final answer
    x = 92,234.29

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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.