Home / 103,671.08-155,499.21-40,479.37

Finding the Fourth Proportional to 103,671.08, 155,499.21 and 40,479.37

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Solution

The fourth proportional to 103,671.08, 155,499.21 and 40,479.37 is: 60,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.08 : 155,499.21 = 40,479.37 : x
  2. Step 2: Convert to fraction form
    103,671.08/155,499.21 = 40,479.37/x
  3. Step 3: Cross multiply
    103,671.08x = 155,499.21 × 40,479.37
  4. Step 4: Simplify right side
    103,671.08x = 6,294,510,056.30
  5. Step 5: Solve for x
    x = 6,294,510,056.30/103,671.08
  6. Step 6: Final answer
    x = 60,716.16

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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.