Home / 99,262.17-137,003.40-61,054.56

Finding the Fourth Proportional to 99,262.17, 137,003.40 and 61,054.56

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Solution

The fourth proportional to 99,262.17, 137,003.40 and 61,054.56 is: 84,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,262.17 : 137,003.40 = 61,054.56 : x
  2. Step 2: Convert to fraction form
    99,262.17/137,003.40 = 61,054.56/x
  3. Step 3: Cross multiply
    99,262.17x = 137,003.40 × 61,054.56
  4. Step 4: Simplify right side
    99,262.17x = 8,364,682,305.50
  5. Step 5: Solve for x
    x = 8,364,682,305.50/99,262.17
  6. Step 6: Final answer
    x = 84,268.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.