Home / 91,294.05-136,992.65-49,173.24

Finding the Fourth Proportional to 91,294.05, 136,992.65 and 49,173.24

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Solution

The fourth proportional to 91,294.05, 136,992.65 and 49,173.24 is: 73,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,294.05 : 136,992.65 = 49,173.24 : x
  2. Step 2: Convert to fraction form
    91,294.05/136,992.65 = 49,173.24/x
  3. Step 3: Cross multiply
    91,294.05x = 136,992.65 × 49,173.24
  4. Step 4: Simplify right side
    91,294.05x = 6,736,372,456.69
  5. Step 5: Solve for x
    x = 6,736,372,456.69/91,294.05
  6. Step 6: Final answer
    x = 73,787.64

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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.