Home / 66,642.14-99,968.36-22,269.04

Finding the Fourth Proportional to 66,642.14, 99,968.36 and 22,269.04

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Solution

The fourth proportional to 66,642.14, 99,968.36 and 22,269.04 is: 33,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,642.14 : 99,968.36 = 22,269.04 : x
  2. Step 2: Convert to fraction form
    66,642.14/99,968.36 = 22,269.04/x
  3. Step 3: Cross multiply
    66,642.14x = 99,968.36 × 22,269.04
  4. Step 4: Simplify right side
    66,642.14x = 2,226,199,421.19
  5. Step 5: Solve for x
    x = 2,226,199,421.19/66,642.14
  6. Step 6: Final answer
    x = 33,405.28

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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.