Home / 91,500.31-126,241.63-51,207.67

Finding the Fourth Proportional to 91,500.31, 126,241.63 and 51,207.67

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Solution

The fourth proportional to 91,500.31, 126,241.63 and 51,207.67 is: 70,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.31 : 126,241.63 = 51,207.67 : x
  2. Step 2: Convert to fraction form
    91,500.31/126,241.63 = 51,207.67/x
  3. Step 3: Cross multiply
    91,500.31x = 126,241.63 × 51,207.67
  4. Step 4: Simplify right side
    91,500.31x = 6,464,539,729.30
  5. Step 5: Solve for x
    x = 6,464,539,729.30/91,500.31
  6. Step 6: Final answer
    x = 70,650.47

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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.