Home / 80,201.18-120,457.47-59,057.72

Finding the Fourth Proportional to 80,201.18, 120,457.47 and 59,057.72

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Solution

The fourth proportional to 80,201.18, 120,457.47 and 59,057.72 is: 88,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201.18 : 120,457.47 = 59,057.72 : x
  2. Step 2: Convert to fraction form
    80,201.18/120,457.47 = 59,057.72/x
  3. Step 3: Cross multiply
    80,201.18x = 120,457.47 × 59,057.72
  4. Step 4: Simplify right side
    80,201.18x = 7,113,942,932.88
  5. Step 5: Solve for x
    x = 7,113,942,932.88/80,201.18
  6. Step 6: Final answer
    x = 88,701.22

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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.