Home / 99,656.06-149,440.77-28,563.03

Finding the Fourth Proportional to 99,656.06, 149,440.77 and 28,563.03

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Solution

The fourth proportional to 99,656.06, 149,440.77 and 28,563.03 is: 42,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656.06 : 149,440.77 = 28,563.03 : x
  2. Step 2: Convert to fraction form
    99,656.06/149,440.77 = 28,563.03/x
  3. Step 3: Cross multiply
    99,656.06x = 149,440.77 × 28,563.03
  4. Step 4: Simplify right side
    99,656.06x = 4,268,481,196.73
  5. Step 5: Solve for x
    x = 4,268,481,196.73/99,656.06
  6. Step 6: Final answer
    x = 42,832.13

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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.