Home / 150,057.12-225,116.05-61,317.77

Finding the Fourth Proportional to 150,057.12, 225,116.05 and 61,317.77

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Solution

The fourth proportional to 150,057.12, 225,116.05 and 61,317.77 is: 91,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,057.12 : 225,116.05 = 61,317.77 : x
  2. Step 2: Convert to fraction form
    150,057.12/225,116.05 = 61,317.77/x
  3. Step 3: Cross multiply
    150,057.12x = 225,116.05 × 61,317.77
  4. Step 4: Simplify right side
    150,057.12x = 13,803,614,177.21
  5. Step 5: Solve for x
    x = 13,803,614,177.21/150,057.12
  6. Step 6: Final answer
    x = 91,989.07

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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.