Home / 76,492.08-114,640.74-43,230.69

Finding the Fourth Proportional to 76,492.08, 114,640.74 and 43,230.69

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Solution

The fourth proportional to 76,492.08, 114,640.74 and 43,230.69 is: 64,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,492.08 : 114,640.74 = 43,230.69 : x
  2. Step 2: Convert to fraction form
    76,492.08/114,640.74 = 43,230.69/x
  3. Step 3: Cross multiply
    76,492.08x = 114,640.74 × 43,230.69
  4. Step 4: Simplify right side
    76,492.08x = 4,955,998,292.31
  5. Step 5: Solve for x
    x = 4,955,998,292.31/76,492.08
  6. Step 6: Final answer
    x = 64,791.00

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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.