Home / 103,725.30-155,530.35-41,325.30

Finding the Fourth Proportional to 103,725.30, 155,530.35 and 41,325.30

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Solution

The fourth proportional to 103,725.30, 155,530.35 and 41,325.30 is: 61,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,725.30 : 155,530.35 = 41,325.30 : x
  2. Step 2: Convert to fraction form
    103,725.30/155,530.35 = 41,325.30/x
  3. Step 3: Cross multiply
    103,725.30x = 155,530.35 × 41,325.30
  4. Step 4: Simplify right side
    103,725.30x = 6,427,338,372.86
  5. Step 5: Solve for x
    x = 6,427,338,372.86/103,725.30
  6. Step 6: Final answer
    x = 61,965.00

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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.