Home / 82,865.84-114,355.40-45,140.09

Finding the Fourth Proportional to 82,865.84, 114,355.40 and 45,140.09

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Solution

The fourth proportional to 82,865.84, 114,355.40 and 45,140.09 is: 62,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,865.84 : 114,355.40 = 45,140.09 : x
  2. Step 2: Convert to fraction form
    82,865.84/114,355.40 = 45,140.09/x
  3. Step 3: Cross multiply
    82,865.84x = 114,355.40 × 45,140.09
  4. Step 4: Simplify right side
    82,865.84x = 5,162,012,250.51
  5. Step 5: Solve for x
    x = 5,162,012,250.51/82,865.84
  6. Step 6: Final answer
    x = 62,293.61

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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.