Home / 99,554.61-149,353.77-73,179.39

Finding the Fourth Proportional to 99,554.61, 149,353.77 and 73,179.39

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Solution

The fourth proportional to 99,554.61, 149,353.77 and 73,179.39 is: 109,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,554.61 : 149,353.77 = 73,179.39 : x
  2. Step 2: Convert to fraction form
    99,554.61/149,353.77 = 73,179.39/x
  3. Step 3: Cross multiply
    99,554.61x = 149,353.77 × 73,179.39
  4. Step 4: Simplify right side
    99,554.61x = 10,929,617,782.80
  5. Step 5: Solve for x
    x = 10,929,617,782.80/99,554.61
  6. Step 6: Final answer
    x = 109,785.15

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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.