Home / 75,464.07-104,136.17-45,234.26

Finding the Fourth Proportional to 75,464.07, 104,136.17 and 45,234.26

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Solution

The fourth proportional to 75,464.07, 104,136.17 and 45,234.26 is: 62,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.07 : 104,136.17 = 45,234.26 : x
  2. Step 2: Convert to fraction form
    75,464.07/104,136.17 = 45,234.26/x
  3. Step 3: Cross multiply
    75,464.07x = 104,136.17 × 45,234.26
  4. Step 4: Simplify right side
    75,464.07x = 4,710,522,589.18
  5. Step 5: Solve for x
    x = 4,710,522,589.18/75,464.07
  6. Step 6: Final answer
    x = 62,420.73

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1.5x scale

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.