Home / 76,187.36-114,354.92-36,772.20

Finding the Fourth Proportional to 76,187.36, 114,354.92 and 36,772.20

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Solution

The fourth proportional to 76,187.36, 114,354.92 and 36,772.20 is: 55,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.36 : 114,354.92 = 36,772.20 : x
  2. Step 2: Convert to fraction form
    76,187.36/114,354.92 = 36,772.20/x
  3. Step 3: Cross multiply
    76,187.36x = 114,354.92 × 36,772.20
  4. Step 4: Simplify right side
    76,187.36x = 4,205,081,989.22
  5. Step 5: Solve for x
    x = 4,205,081,989.22/76,187.36
  6. Step 6: Final answer
    x = 55,193.96

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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.