Home / 82,866.39-114,355.02-45,140.64

Finding the Fourth Proportional to 82,866.39, 114,355.02 and 45,140.64

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Solution

The fourth proportional to 82,866.39, 114,355.02 and 45,140.64 is: 62,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,866.39 : 114,355.02 = 45,140.64 : x
  2. Step 2: Convert to fraction form
    82,866.39/114,355.02 = 45,140.64/x
  3. Step 3: Cross multiply
    82,866.39x = 114,355.02 × 45,140.64
  4. Step 4: Simplify right side
    82,866.39x = 5,162,058,790.01
  5. Step 5: Solve for x
    x = 5,162,058,790.01/82,866.39
  6. Step 6: Final answer
    x = 62,293.76

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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.