Home / 66,046.19-99,065.84-21,667.10

Finding the Fourth Proportional to 66,046.19, 99,065.84 and 21,667.10

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Solution

The fourth proportional to 66,046.19, 99,065.84 and 21,667.10 is: 32,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,046.19 : 99,065.84 = 21,667.10 : x
  2. Step 2: Convert to fraction form
    66,046.19/99,065.84 = 21,667.10/x
  3. Step 3: Cross multiply
    66,046.19x = 99,065.84 × 21,667.10
  4. Step 4: Simplify right side
    66,046.19x = 2,146,468,858.20
  5. Step 5: Solve for x
    x = 2,146,468,858.20/66,046.19
  6. Step 6: Final answer
    x = 32,499.51

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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.