Home / 99,226.62-136,935.36-56,798.82

Finding the Fourth Proportional to 99,226.62, 136,935.36 and 56,798.82

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Solution

The fourth proportional to 99,226.62, 136,935.36 and 56,798.82 is: 78,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.62 : 136,935.36 = 56,798.82 : x
  2. Step 2: Convert to fraction form
    99,226.62/136,935.36 = 56,798.82/x
  3. Step 3: Cross multiply
    99,226.62x = 136,935.36 × 56,798.82
  4. Step 4: Simplify right side
    99,226.62x = 7,777,766,864.28
  5. Step 5: Solve for x
    x = 7,777,766,864.28/99,226.62
  6. Step 6: Final answer
    x = 78,383.87

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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.