Home / 82,983.84-114,516.45-45,258.09

Finding the Fourth Proportional to 82,983.84, 114,516.45 and 45,258.09

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Solution

The fourth proportional to 82,983.84, 114,516.45 and 45,258.09 is: 62,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,983.84 : 114,516.45 = 45,258.09 : x
  2. Step 2: Convert to fraction form
    82,983.84/114,516.45 = 45,258.09/x
  3. Step 3: Cross multiply
    82,983.84x = 114,516.45 × 45,258.09
  4. Step 4: Simplify right side
    82,983.84x = 5,182,795,800.58
  5. Step 5: Solve for x
    x = 5,182,795,800.58/82,983.84
  6. Step 6: Final answer
    x = 62,455.48

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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.