Home / 110,945.75-153,105.14-60,644.75

Finding the Fourth Proportional to 110,945.75, 153,105.14 and 60,644.75

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Solution

The fourth proportional to 110,945.75, 153,105.14 and 60,644.75 is: 83,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,945.75 : 153,105.14 = 60,644.75 : x
  2. Step 2: Convert to fraction form
    110,945.75/153,105.14 = 60,644.75/x
  3. Step 3: Cross multiply
    110,945.75x = 153,105.14 × 60,644.75
  4. Step 4: Simplify right side
    110,945.75x = 9,285,022,939.02
  5. Step 5: Solve for x
    x = 9,285,022,939.02/110,945.75
  6. Step 6: Final answer
    x = 83,689.76

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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.