Home / 66,499.40-99,665.94-33,228.80

Finding the Fourth Proportional to 66,499.40, 99,665.94 and 33,228.80

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Solution

The fourth proportional to 66,499.40, 99,665.94 and 33,228.80 is: 49,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,499.40 : 99,665.94 = 33,228.80 : x
  2. Step 2: Convert to fraction form
    66,499.40/99,665.94 = 33,228.80/x
  3. Step 3: Cross multiply
    66,499.40x = 99,665.94 × 33,228.80
  4. Step 4: Simplify right side
    66,499.40x = 3,311,779,587.07
  5. Step 5: Solve for x
    x = 3,311,779,587.07/66,499.40
  6. Step 6: Final answer
    x = 49,801.65

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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.