Home / 99,424.44-137,201.58-54,709.56

Finding the Fourth Proportional to 99,424.44, 137,201.58 and 54,709.56

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Solution

The fourth proportional to 99,424.44, 137,201.58 and 54,709.56 is: 75,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,424.44 : 137,201.58 = 54,709.56 : x
  2. Step 2: Convert to fraction form
    99,424.44/137,201.58 = 54,709.56/x
  3. Step 3: Cross multiply
    99,424.44x = 137,201.58 × 54,709.56
  4. Step 4: Simplify right side
    99,424.44x = 7,506,238,073.10
  5. Step 5: Solve for x
    x = 7,506,238,073.10/99,424.44
  6. Step 6: Final answer
    x = 75,496.91

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1.5x scale

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.