Home / 103,945.57-155,916.98-25,059.16

Finding the Fourth Proportional to 103,945.57, 155,916.98 and 25,059.16

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Solution

The fourth proportional to 103,945.57, 155,916.98 and 25,059.16 is: 37,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,945.57 : 155,916.98 = 25,059.16 : x
  2. Step 2: Convert to fraction form
    103,945.57/155,916.98 = 25,059.16/x
  3. Step 3: Cross multiply
    103,945.57x = 155,916.98 × 25,059.16
  4. Step 4: Simplify right side
    103,945.57x = 3,907,148,548.54
  5. Step 5: Solve for x
    x = 3,907,148,548.54/103,945.57
  6. Step 6: Final answer
    x = 37,588.41

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1.5x scale

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.