Home / 99,605.27-137,451.79-54,282.34

Finding the Fourth Proportional to 99,605.27, 137,451.79 and 54,282.34

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Solution

The fourth proportional to 99,605.27, 137,451.79 and 54,282.34 is: 74,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,605.27 : 137,451.79 = 54,282.34 : x
  2. Step 2: Convert to fraction form
    99,605.27/137,451.79 = 54,282.34/x
  3. Step 3: Cross multiply
    99,605.27x = 137,451.79 × 54,282.34
  4. Step 4: Simplify right side
    99,605.27x = 7,461,204,798.39
  5. Step 5: Solve for x
    x = 7,461,204,798.39/99,605.27
  6. Step 6: Final answer
    x = 74,907.73

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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.