Home / 103,774.08-155,568.96-38,064

Finding the Fourth Proportional to 103,774.08, 155,568.96 and 38,064

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Solution

The fourth proportional to 103,774.08, 155,568.96 and 38,064 is: 57,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,774.08 : 155,568.96 = 38,064 : x
  2. Step 2: Convert to fraction form
    103,774.08/155,568.96 = 38,064/x
  3. Step 3: Cross multiply
    103,774.08x = 155,568.96 × 38,064
  4. Step 4: Simplify right side
    103,774.08x = 5,921,576,893.44
  5. Step 5: Solve for x
    x = 5,921,576,893.44/103,774.08
  6. Step 6: Final answer
    x = 57,062.20

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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.