Home / 66,128.08-99,203.07-32,849.23

Finding the Fourth Proportional to 66,128.08, 99,203.07 and 32,849.23

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Solution

The fourth proportional to 66,128.08, 99,203.07 and 32,849.23 is: 49,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,128.08 : 99,203.07 = 32,849.23 : x
  2. Step 2: Convert to fraction form
    66,128.08/99,203.07 = 32,849.23/x
  3. Step 3: Cross multiply
    66,128.08x = 99,203.07 × 32,849.23
  4. Step 4: Simplify right side
    66,128.08x = 3,258,744,463.14
  5. Step 5: Solve for x
    x = 3,258,744,463.14/66,128.08
  6. Step 6: Final answer
    x = 49,279.28

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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.