Home / 99,936.56-137,899.19-64,175.06

Finding the Fourth Proportional to 99,936.56, 137,899.19 and 64,175.06

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Solution

The fourth proportional to 99,936.56, 137,899.19 and 64,175.06 is: 88,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,936.56 : 137,899.19 = 64,175.06 : x
  2. Step 2: Convert to fraction form
    99,936.56/137,899.19 = 64,175.06/x
  3. Step 3: Cross multiply
    99,936.56x = 137,899.19 × 64,175.06
  4. Step 4: Simplify right side
    99,936.56x = 8,849,689,297.39
  5. Step 5: Solve for x
    x = 8,849,689,297.39/99,936.56
  6. Step 6: Final answer
    x = 88,553.07

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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.