Home / 91,320.89-126,061.62-55,522.33

Finding the Fourth Proportional to 91,320.89, 126,061.62 and 55,522.33

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Solution

The fourth proportional to 91,320.89, 126,061.62 and 55,522.33 is: 76,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.89 : 126,061.62 = 55,522.33 : x
  2. Step 2: Convert to fraction form
    91,320.89/126,061.62 = 55,522.33/x
  3. Step 3: Cross multiply
    91,320.89x = 126,061.62 × 55,522.33
  4. Step 4: Simplify right side
    91,320.89x = 6,999,234,865.97
  5. Step 5: Solve for x
    x = 6,999,234,865.97/91,320.89
  6. Step 6: Final answer
    x = 76,644.40

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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.