Home / 91,859.31-126,756.03-51,577.50

Finding the Fourth Proportional to 91,859.31, 126,756.03 and 51,577.50

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Solution

The fourth proportional to 91,859.31, 126,756.03 and 51,577.50 is: 71,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859.31 : 126,756.03 = 51,577.50 : x
  2. Step 2: Convert to fraction form
    91,859.31/126,756.03 = 51,577.50/x
  3. Step 3: Cross multiply
    91,859.31x = 126,756.03 × 51,577.50
  4. Step 4: Simplify right side
    91,859.31x = 6,537,759,137.33
  5. Step 5: Solve for x
    x = 6,537,759,137.33/91,859.31
  6. Step 6: Final answer
    x = 71,171.44

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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.