Home / 82,195.07-113,429.23-45,401.36

Finding the Fourth Proportional to 82,195.07, 113,429.23 and 45,401.36

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Solution

The fourth proportional to 82,195.07, 113,429.23 and 45,401.36 is: 62,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,195.07 : 113,429.23 = 45,401.36 : x
  2. Step 2: Convert to fraction form
    82,195.07/113,429.23 = 45,401.36/x
  3. Step 3: Cross multiply
    82,195.07x = 113,429.23 × 45,401.36
  4. Step 4: Simplify right side
    82,195.07x = 5,149,841,305.75
  5. Step 5: Solve for x
    x = 5,149,841,305.75/82,195.07
  6. Step 6: Final answer
    x = 62,653.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.