Home / 69,094.28-103,640.25-31,122.42

Finding the Fourth Proportional to 69,094.28, 103,640.25 and 31,122.42

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Solution

The fourth proportional to 69,094.28, 103,640.25 and 31,122.42 is: 46,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,094.28 : 103,640.25 = 31,122.42 : x
  2. Step 2: Convert to fraction form
    69,094.28/103,640.25 = 31,122.42/x
  3. Step 3: Cross multiply
    69,094.28x = 103,640.25 × 31,122.42
  4. Step 4: Simplify right side
    69,094.28x = 3,225,535,389.41
  5. Step 5: Solve for x
    x = 3,225,535,389.41/69,094.28
  6. Step 6: Final answer
    x = 46,683.11

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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.