Home / 99,664.16-137,458.68-63,857.66

Finding the Fourth Proportional to 99,664.16, 137,458.68 and 63,857.66

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Solution

The fourth proportional to 99,664.16, 137,458.68 and 63,857.66 is: 88,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.16 : 137,458.68 = 63,857.66 : x
  2. Step 2: Convert to fraction form
    99,664.16/137,458.68 = 63,857.66/x
  3. Step 3: Cross multiply
    99,664.16x = 137,458.68 × 63,857.66
  4. Step 4: Simplify right side
    99,664.16x = 8,777,789,651.49
  5. Step 5: Solve for x
    x = 8,777,789,651.49/99,664.16
  6. Step 6: Final answer
    x = 88,073.68

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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.