Home / 76,007.07-113,949.09-31,667.13

Finding the Fourth Proportional to 76,007.07, 113,949.09 and 31,667.13

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Solution

The fourth proportional to 76,007.07, 113,949.09 and 31,667.13 is: 47,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007.07 : 113,949.09 = 31,667.13 : x
  2. Step 2: Convert to fraction form
    76,007.07/113,949.09 = 31,667.13/x
  3. Step 3: Cross multiply
    76,007.07x = 113,949.09 × 31,667.13
  4. Step 4: Simplify right side
    76,007.07x = 3,608,440,646.41
  5. Step 5: Solve for x
    x = 3,608,440,646.41/76,007.07
  6. Step 6: Final answer
    x = 47,475.07

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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.