Home / 91,741.87-126,486.57-59,419.45

Finding the Fourth Proportional to 91,741.87, 126,486.57 and 59,419.45

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Solution

The fourth proportional to 91,741.87, 126,486.57 and 59,419.45 is: 81,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,741.87 : 126,486.57 = 59,419.45 : x
  2. Step 2: Convert to fraction form
    91,741.87/126,486.57 = 59,419.45/x
  3. Step 3: Cross multiply
    91,741.87x = 126,486.57 × 59,419.45
  4. Step 4: Simplify right side
    91,741.87x = 7,515,762,105.57
  5. Step 5: Solve for x
    x = 7,515,762,105.57/91,741.87
  6. Step 6: Final answer
    x = 81,922.92

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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.