Home / 66,004.20-99,006.30-43,847.40

Finding the Fourth Proportional to 66,004.20, 99,006.30 and 43,847.40

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Solution

The fourth proportional to 66,004.20, 99,006.30 and 43,847.40 is: 65,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.20 : 99,006.30 = 43,847.40 : x
  2. Step 2: Convert to fraction form
    66,004.20/99,006.30 = 43,847.40/x
  3. Step 3: Cross multiply
    66,004.20x = 99,006.30 × 43,847.40
  4. Step 4: Simplify right side
    66,004.20x = 4,341,168,838.62
  5. Step 5: Solve for x
    x = 4,341,168,838.62/66,004.20
  6. Step 6: Final answer
    x = 65,771.10

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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.