Home / 82,063.53-113,228.89-51,812.46

Finding the Fourth Proportional to 82,063.53, 113,228.89 and 51,812.46

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Solution

The fourth proportional to 82,063.53, 113,228.89 and 51,812.46 is: 71,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,063.53 : 113,228.89 = 51,812.46 : x
  2. Step 2: Convert to fraction form
    82,063.53/113,228.89 = 51,812.46/x
  3. Step 3: Cross multiply
    82,063.53x = 113,228.89 × 51,812.46
  4. Step 4: Simplify right side
    82,063.53x = 5,866,667,204.44
  5. Step 5: Solve for x
    x = 5,866,667,204.44/82,063.53
  6. Step 6: Final answer
    x = 71,489.34

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1.5x scale

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.