Home / 73,240.28-109,834.42-31,664.60

Finding the Fourth Proportional to 73,240.28, 109,834.42 and 31,664.60

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Solution

The fourth proportional to 73,240.28, 109,834.42 and 31,664.60 is: 47,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.28 : 109,834.42 = 31,664.60 : x
  2. Step 2: Convert to fraction form
    73,240.28/109,834.42 = 31,664.60/x
  3. Step 3: Cross multiply
    73,240.28x = 109,834.42 × 31,664.60
  4. Step 4: Simplify right side
    73,240.28x = 3,477,862,975.53
  5. Step 5: Solve for x
    x = 3,477,862,975.53/73,240.28
  6. Step 6: Final answer
    x = 47,485.66

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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.