Home / 91,627.05-137,419.11-51,663.27

Finding the Fourth Proportional to 91,627.05, 137,419.11 and 51,663.27

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Solution

The fourth proportional to 91,627.05, 137,419.11 and 51,663.27 is: 77,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.05 : 137,419.11 = 51,663.27 : x
  2. Step 2: Convert to fraction form
    91,627.05/137,419.11 = 51,663.27/x
  3. Step 3: Cross multiply
    91,627.05x = 137,419.11 × 51,663.27
  4. Step 4: Simplify right side
    91,627.05x = 7,099,520,583.09
  5. Step 5: Solve for x
    x = 7,099,520,583.09/91,627.05
  6. Step 6: Final answer
    x = 77,482.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.