Home / 106,991.14-147,652.84-64,548.76

Finding the Fourth Proportional to 106,991.14, 147,652.84 and 64,548.76

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Solution

The fourth proportional to 106,991.14, 147,652.84 and 64,548.76 is: 89,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,991.14 : 147,652.84 = 64,548.76 : x
  2. Step 2: Convert to fraction form
    106,991.14/147,652.84 = 64,548.76/x
  3. Step 3: Cross multiply
    106,991.14x = 147,652.84 × 64,548.76
  4. Step 4: Simplify right side
    106,991.14x = 9,530,807,732.48
  5. Step 5: Solve for x
    x = 9,530,807,732.48/106,991.14
  6. Step 6: Final answer
    x = 89,080.35

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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.