Home / 66,044.08-99,112.68-30,984.88

Finding the Fourth Proportional to 66,044.08, 99,112.68 and 30,984.88

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Solution

The fourth proportional to 66,044.08, 99,112.68 and 30,984.88 is: 46,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044.08 : 99,112.68 = 30,984.88 : x
  2. Step 2: Convert to fraction form
    66,044.08/99,112.68 = 30,984.88/x
  3. Step 3: Cross multiply
    66,044.08x = 99,112.68 × 30,984.88
  4. Step 4: Simplify right side
    66,044.08x = 3,070,994,496.28
  5. Step 5: Solve for x
    x = 3,070,994,496.28/66,044.08
  6. Step 6: Final answer
    x = 46,499.16

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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.