Home / 91,626.78-126,463.44-62,632.63

Finding the Fourth Proportional to 91,626.78, 126,463.44 and 62,632.63

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Solution

The fourth proportional to 91,626.78, 126,463.44 and 62,632.63 is: 86,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.78 : 126,463.44 = 62,632.63 : x
  2. Step 2: Convert to fraction form
    91,626.78/126,463.44 = 62,632.63/x
  3. Step 3: Cross multiply
    91,626.78x = 126,463.44 × 62,632.63
  4. Step 4: Simplify right side
    91,626.78x = 7,920,737,846.05
  5. Step 5: Solve for x
    x = 7,920,737,846.05/91,626.78
  6. Step 6: Final answer
    x = 86,445.66

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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.