Home / 99,229.99-136,936.83-53,907.58

Finding the Fourth Proportional to 99,229.99, 136,936.83 and 53,907.58

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Solution

The fourth proportional to 99,229.99, 136,936.83 and 53,907.58 is: 74,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.99 : 136,936.83 = 53,907.58 : x
  2. Step 2: Convert to fraction form
    99,229.99/136,936.83 = 53,907.58/x
  3. Step 3: Cross multiply
    99,229.99x = 136,936.83 × 53,907.58
  4. Step 4: Simplify right side
    99,229.99x = 7,381,933,118.17
  5. Step 5: Solve for x
    x = 7,381,933,118.17/99,229.99
  6. Step 6: Final answer
    x = 74,392.16

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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.