Home / 103,444.16-155,178.45-36,893.75

Finding the Fourth Proportional to 103,444.16, 155,178.45 and 36,893.75

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Solution

The fourth proportional to 103,444.16, 155,178.45 and 36,893.75 is: 55,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,444.16 : 155,178.45 = 36,893.75 : x
  2. Step 2: Convert to fraction form
    103,444.16/155,178.45 = 36,893.75/x
  3. Step 3: Cross multiply
    103,444.16x = 155,178.45 × 36,893.75
  4. Step 4: Simplify right side
    103,444.16x = 5,725,114,163.80
  5. Step 5: Solve for x
    x = 5,725,114,163.80/103,444.16
  6. Step 6: Final answer
    x = 55,344.97

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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.