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Finding the Fourth Proportional to 91,844.69, 137,767.03 and 29,520.05

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Solution

The fourth proportional to 91,844.69, 137,767.03 and 29,520.05 is: 44,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844.69 : 137,767.03 = 29,520.05 : x
  2. Step 2: Convert to fraction form
    91,844.69/137,767.03 = 29,520.05/x
  3. Step 3: Cross multiply
    91,844.69x = 137,767.03 × 29,520.05
  4. Step 4: Simplify right side
    91,844.69x = 4,066,888,851.32
  5. Step 5: Solve for x
    x = 4,066,888,851.32/91,844.69
  6. Step 6: Final answer
    x = 44,280.07

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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.