Home / 76,349.97-114,554.12-43,107.57

Finding the Fourth Proportional to 76,349.97, 114,554.12 and 43,107.57

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Solution

The fourth proportional to 76,349.97, 114,554.12 and 43,107.57 is: 64,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,349.97 : 114,554.12 = 43,107.57 : x
  2. Step 2: Convert to fraction form
    76,349.97/114,554.12 = 43,107.57/x
  3. Step 3: Cross multiply
    76,349.97x = 114,554.12 × 43,107.57
  4. Step 4: Simplify right side
    76,349.97x = 4,938,149,531.15
  5. Step 5: Solve for x
    x = 4,938,149,531.15/76,349.97
  6. Step 6: Final answer
    x = 64,677.82

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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.