Home / 80,526.22-120,803.47-30,610.68

Finding the Fourth Proportional to 80,526.22, 120,803.47 and 30,610.68

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Solution

The fourth proportional to 80,526.22, 120,803.47 and 30,610.68 is: 45,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.22 : 120,803.47 = 30,610.68 : x
  2. Step 2: Convert to fraction form
    80,526.22/120,803.47 = 30,610.68/x
  3. Step 3: Cross multiply
    80,526.22x = 120,803.47 × 30,610.68
  4. Step 4: Simplify right side
    80,526.22x = 3,697,875,833.52
  5. Step 5: Solve for x
    x = 3,697,875,833.52/80,526.22
  6. Step 6: Final answer
    x = 45,921.39

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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.