Home / 66,184.40-99,190.20-30,641.60

Finding the Fourth Proportional to 66,184.40, 99,190.20 and 30,641.60

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Solution

The fourth proportional to 66,184.40, 99,190.20 and 30,641.60 is: 45,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.40 : 99,190.20 = 30,641.60 : x
  2. Step 2: Convert to fraction form
    66,184.40/99,190.20 = 30,641.60/x
  3. Step 3: Cross multiply
    66,184.40x = 99,190.20 × 30,641.60
  4. Step 4: Simplify right side
    66,184.40x = 3,039,346,432.32
  5. Step 5: Solve for x
    x = 3,039,346,432.32/66,184.40
  6. Step 6: Final answer
    x = 45,922.40

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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.