Home / 84,361.53-126,479.27-51,073.59

Finding the Fourth Proportional to 84,361.53, 126,479.27 and 51,073.59

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Solution

The fourth proportional to 84,361.53, 126,479.27 and 51,073.59 is: 76,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,361.53 : 126,479.27 = 51,073.59 : x
  2. Step 2: Convert to fraction form
    84,361.53/126,479.27 = 51,073.59/x
  3. Step 3: Cross multiply
    84,361.53x = 126,479.27 × 51,073.59
  4. Step 4: Simplify right side
    84,361.53x = 6,459,750,379.48
  5. Step 5: Solve for x
    x = 6,459,750,379.48/84,361.53
  6. Step 6: Final answer
    x = 76,572.23

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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.