Home / 103,667.94-155,460.06-40,479.03

Finding the Fourth Proportional to 103,667.94, 155,460.06 and 40,479.03

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Solution

The fourth proportional to 103,667.94, 155,460.06 and 40,479.03 is: 60,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.94 : 155,460.06 = 40,479.03 : x
  2. Step 2: Convert to fraction form
    103,667.94/155,460.06 = 40,479.03/x
  3. Step 3: Cross multiply
    103,667.94x = 155,460.06 × 40,479.03
  4. Step 4: Simplify right side
    103,667.94x = 6,292,872,432.54
  5. Step 5: Solve for x
    x = 6,292,872,432.54/103,667.94
  6. Step 6: Final answer
    x = 60,702.20

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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.