Home / 91,419.69-126,156.12-50,583.89

Finding the Fourth Proportional to 91,419.69, 126,156.12 and 50,583.89

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Solution

The fourth proportional to 91,419.69, 126,156.12 and 50,583.89 is: 69,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,419.69 : 126,156.12 = 50,583.89 : x
  2. Step 2: Convert to fraction form
    91,419.69/126,156.12 = 50,583.89/x
  3. Step 3: Cross multiply
    91,419.69x = 126,156.12 × 50,583.89
  4. Step 4: Simplify right side
    91,419.69x = 6,381,467,296.91
  5. Step 5: Solve for x
    x = 6,381,467,296.91/91,419.69
  6. Step 6: Final answer
    x = 69,804.08

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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.