Home / 66,074.64-99,152.28-28,627.44

Finding the Fourth Proportional to 66,074.64, 99,152.28 and 28,627.44

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Solution

The fourth proportional to 66,074.64, 99,152.28 and 28,627.44 is: 42,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.64 : 99,152.28 = 28,627.44 : x
  2. Step 2: Convert to fraction form
    66,074.64/99,152.28 = 28,627.44/x
  3. Step 3: Cross multiply
    66,074.64x = 99,152.28 × 28,627.44
  4. Step 4: Simplify right side
    66,074.64x = 2,838,475,946.56
  5. Step 5: Solve for x
    x = 2,838,475,946.56/66,074.64
  6. Step 6: Final answer
    x = 42,958.63

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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.