Home / 82,913.77-114,421.38-47,105.75

Finding the Fourth Proportional to 82,913.77, 114,421.38 and 47,105.75

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Solution

The fourth proportional to 82,913.77, 114,421.38 and 47,105.75 is: 65,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.77 : 114,421.38 = 47,105.75 : x
  2. Step 2: Convert to fraction form
    82,913.77/114,421.38 = 47,105.75/x
  3. Step 3: Cross multiply
    82,913.77x = 114,421.38 × 47,105.75
  4. Step 4: Simplify right side
    82,913.77x = 5,389,904,231.06
  5. Step 5: Solve for x
    x = 5,389,904,231.06/82,913.77
  6. Step 6: Final answer
    x = 65,006.14

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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.