Home / 99,519.09-137,327.30-59,226.35

Finding the Fourth Proportional to 99,519.09, 137,327.30 and 59,226.35

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Solution

The fourth proportional to 99,519.09, 137,327.30 and 59,226.35 is: 81,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,519.09 : 137,327.30 = 59,226.35 : x
  2. Step 2: Convert to fraction form
    99,519.09/137,327.30 = 59,226.35/x
  3. Step 3: Cross multiply
    99,519.09x = 137,327.30 × 59,226.35
  4. Step 4: Simplify right side
    99,519.09x = 8,133,394,367.44
  5. Step 5: Solve for x
    x = 8,133,394,367.44/99,519.09
  6. Step 6: Final answer
    x = 81,726.98

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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.