Home / 42,175.20-63,263.04-11,010.72

Finding the Fourth Proportional to 42,175.20, 63,263.04 and 11,010.72

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Solution

The fourth proportional to 42,175.20, 63,263.04 and 11,010.72 is: 16,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,175.20 : 63,263.04 = 11,010.72 : x
  2. Step 2: Convert to fraction form
    42,175.20/63,263.04 = 11,010.72/x
  3. Step 3: Cross multiply
    42,175.20x = 63,263.04 × 11,010.72
  4. Step 4: Simplify right side
    42,175.20x = 696,571,619.79
  5. Step 5: Solve for x
    x = 696,571,619.79/42,175.20
  6. Step 6: Final answer
    x = 16,516.14

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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.