Home / 117,175.08-175,762.62-28,427.16

Finding the Fourth Proportional to 117,175.08, 175,762.62 and 28,427.16

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Solution

The fourth proportional to 117,175.08, 175,762.62 and 28,427.16 is: 42,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.08 : 175,762.62 = 28,427.16 : x
  2. Step 2: Convert to fraction form
    117,175.08/175,762.62 = 28,427.16/x
  3. Step 3: Cross multiply
    117,175.08x = 175,762.62 × 28,427.16
  4. Step 4: Simplify right side
    117,175.08x = 4,996,432,120.76
  5. Step 5: Solve for x
    x = 4,996,432,120.76/117,175.08
  6. Step 6: Final answer
    x = 42,640.74

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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.