Home / 66,246.85-99,339.09-19,490.41

Finding the Fourth Proportional to 66,246.85, 99,339.09 and 19,490.41

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Solution

The fourth proportional to 66,246.85, 99,339.09 and 19,490.41 is: 29,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,246.85 : 99,339.09 = 19,490.41 : x
  2. Step 2: Convert to fraction form
    66,246.85/99,339.09 = 19,490.41/x
  3. Step 3: Cross multiply
    66,246.85x = 99,339.09 × 19,490.41
  4. Step 4: Simplify right side
    66,246.85x = 1,936,159,593.13
  5. Step 5: Solve for x
    x = 1,936,159,593.13/66,246.85
  6. Step 6: Final answer
    x = 29,226.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.