Home / 82,318.64-123,465.02-26,151.35

Finding the Fourth Proportional to 82,318.64, 123,465.02 and 26,151.35

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Solution

The fourth proportional to 82,318.64, 123,465.02 and 26,151.35 is: 39,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,318.64 : 123,465.02 = 26,151.35 : x
  2. Step 2: Convert to fraction form
    82,318.64/123,465.02 = 26,151.35/x
  3. Step 3: Cross multiply
    82,318.64x = 123,465.02 × 26,151.35
  4. Step 4: Simplify right side
    82,318.64x = 3,228,776,202.70
  5. Step 5: Solve for x
    x = 3,228,776,202.70/82,318.64
  6. Step 6: Final answer
    x = 39,222.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.