Home / 107,910.07-148,910.45-60,154.20

Finding the Fourth Proportional to 107,910.07, 148,910.45 and 60,154.20

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Solution

The fourth proportional to 107,910.07, 148,910.45 and 60,154.20 is: 83,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.07 : 148,910.45 = 60,154.20 : x
  2. Step 2: Convert to fraction form
    107,910.07/148,910.45 = 60,154.20/x
  3. Step 3: Cross multiply
    107,910.07x = 148,910.45 × 60,154.20
  4. Step 4: Simplify right side
    107,910.07x = 8,957,588,991.39
  5. Step 5: Solve for x
    x = 8,957,588,991.39/107,910.07
  6. Step 6: Final answer
    x = 83,009.76

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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.