Home / 66,074.57-99,124.16-30,053.62

Finding the Fourth Proportional to 66,074.57, 99,124.16 and 30,053.62

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Solution

The fourth proportional to 66,074.57, 99,124.16 and 30,053.62 is: 45,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.57 : 99,124.16 = 30,053.62 : x
  2. Step 2: Convert to fraction form
    66,074.57/99,124.16 = 30,053.62/x
  3. Step 3: Cross multiply
    66,074.57x = 99,124.16 × 30,053.62
  4. Step 4: Simplify right side
    66,074.57x = 2,979,039,811.10
  5. Step 5: Solve for x
    x = 2,979,039,811.10/66,074.57
  6. Step 6: Final answer
    x = 45,086.03

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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.