Home / 82,066.49-113,345.17-55,162.28

Finding the Fourth Proportional to 82,066.49, 113,345.17 and 55,162.28

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Solution

The fourth proportional to 82,066.49, 113,345.17 and 55,162.28 is: 76,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,066.49 : 113,345.17 = 55,162.28 : x
  2. Step 2: Convert to fraction form
    82,066.49/113,345.17 = 55,162.28/x
  3. Step 3: Cross multiply
    82,066.49x = 113,345.17 × 55,162.28
  4. Step 4: Simplify right side
    82,066.49x = 6,252,378,149.64
  5. Step 5: Solve for x
    x = 6,252,378,149.64/82,066.49
  6. Step 6: Final answer
    x = 76,186.74

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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.