Home / 99,365.12-149,003.94-52,607.06

Finding the Fourth Proportional to 99,365.12, 149,003.94 and 52,607.06

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Solution

The fourth proportional to 99,365.12, 149,003.94 and 52,607.06 is: 78,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,365.12 : 149,003.94 = 52,607.06 : x
  2. Step 2: Convert to fraction form
    99,365.12/149,003.94 = 52,607.06/x
  3. Step 3: Cross multiply
    99,365.12x = 149,003.94 × 52,607.06
  4. Step 4: Simplify right side
    99,365.12x = 7,838,659,211.82
  5. Step 5: Solve for x
    x = 7,838,659,211.82/99,365.12
  6. Step 6: Final answer
    x = 78,887.43

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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.