Home / 82,871.01-114,361.97-45,145.26

Finding the Fourth Proportional to 82,871.01, 114,361.97 and 45,145.26

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Solution

The fourth proportional to 82,871.01, 114,361.97 and 45,145.26 is: 62,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871.01 : 114,361.97 = 45,145.26 : x
  2. Step 2: Convert to fraction form
    82,871.01/114,361.97 = 45,145.26/x
  3. Step 3: Cross multiply
    82,871.01x = 114,361.97 × 45,145.26
  4. Step 4: Simplify right side
    82,871.01x = 5,162,900,869.76
  5. Step 5: Solve for x
    x = 5,162,900,869.76/82,871.01
  6. Step 6: Final answer
    x = 62,300.45

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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.