Home / 82,870.46-114,361.22-45,144.71

Finding the Fourth Proportional to 82,870.46, 114,361.22 and 45,144.71

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Solution

The fourth proportional to 82,870.46, 114,361.22 and 45,144.71 is: 62,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,870.46 : 114,361.22 = 45,144.71 : x
  2. Step 2: Convert to fraction form
    82,870.46/114,361.22 = 45,144.71/x
  3. Step 3: Cross multiply
    82,870.46x = 114,361.22 × 45,144.71
  4. Step 4: Simplify right side
    82,870.46x = 5,162,804,082.06
  5. Step 5: Solve for x
    x = 5,162,804,082.06/82,870.46
  6. Step 6: Final answer
    x = 62,299.69

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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.