Home / 100,501.19-150,610.05-55,542.79

Finding the Fourth Proportional to 100,501.19, 150,610.05 and 55,542.79

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Solution

The fourth proportional to 100,501.19, 150,610.05 and 55,542.79 is: 83,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,501.19 : 150,610.05 = 55,542.79 : x
  2. Step 2: Convert to fraction form
    100,501.19/150,610.05 = 55,542.79/x
  3. Step 3: Cross multiply
    100,501.19x = 150,610.05 × 55,542.79
  4. Step 4: Simplify right side
    100,501.19x = 8,365,301,909.39
  5. Step 5: Solve for x
    x = 8,365,301,909.39/100,501.19
  6. Step 6: Final answer
    x = 83,235.85

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1.5x scale

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.