Home / 71,913.02-107,831.51-31,914.62

Finding the Fourth Proportional to 71,913.02, 107,831.51 and 31,914.62

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Solution

The fourth proportional to 71,913.02, 107,831.51 and 31,914.62 is: 47,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913.02 : 107,831.51 = 31,914.62 : x
  2. Step 2: Convert to fraction form
    71,913.02/107,831.51 = 31,914.62/x
  3. Step 3: Cross multiply
    71,913.02x = 107,831.51 × 31,914.62
  4. Step 4: Simplify right side
    71,913.02x = 3,441,401,665.68
  5. Step 5: Solve for x
    x = 3,441,401,665.68/71,913.02
  6. Step 6: Final answer
    x = 47,855.06

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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.