Home / 91,539.64-126,318.72-51,253.03

Finding the Fourth Proportional to 91,539.64, 126,318.72 and 51,253.03

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Solution

The fourth proportional to 91,539.64, 126,318.72 and 51,253.03 is: 70,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539.64 : 126,318.72 = 51,253.03 : x
  2. Step 2: Convert to fraction form
    91,539.64/126,318.72 = 51,253.03/x
  3. Step 3: Cross multiply
    91,539.64x = 126,318.72 × 51,253.03
  4. Step 4: Simplify right side
    91,539.64x = 6,474,217,145.72
  5. Step 5: Solve for x
    x = 6,474,217,145.72/91,539.64
  6. Step 6: Final answer
    x = 70,725.83

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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.