Home / 110,102.09-151,951.55-61,712.24

Finding the Fourth Proportional to 110,102.09, 151,951.55 and 61,712.24

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Solution

The fourth proportional to 110,102.09, 151,951.55 and 61,712.24 is: 85,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,102.09 : 151,951.55 = 61,712.24 : x
  2. Step 2: Convert to fraction form
    110,102.09/151,951.55 = 61,712.24/x
  3. Step 3: Cross multiply
    110,102.09x = 151,951.55 × 61,712.24
  4. Step 4: Simplify right side
    110,102.09x = 9,377,270,771.22
  5. Step 5: Solve for x
    x = 9,377,270,771.22/110,102.09
  6. Step 6: Final answer
    x = 85,168.87

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1.5x scale

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.