Home / 99,857.38-137,802.97-59,625.28

Finding the Fourth Proportional to 99,857.38, 137,802.97 and 59,625.28

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Solution

The fourth proportional to 99,857.38, 137,802.97 and 59,625.28 is: 82,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,857.38 : 137,802.97 = 59,625.28 : x
  2. Step 2: Convert to fraction form
    99,857.38/137,802.97 = 59,625.28/x
  3. Step 3: Cross multiply
    99,857.38x = 137,802.97 × 59,625.28
  4. Step 4: Simplify right side
    99,857.38x = 8,216,540,671.08
  5. Step 5: Solve for x
    x = 8,216,540,671.08/99,857.38
  6. Step 6: Final answer
    x = 82,282.76

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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.