Home / 117,090.55-175,636.23-28,343.92

Finding the Fourth Proportional to 117,090.55, 175,636.23 and 28,343.92

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Solution

The fourth proportional to 117,090.55, 175,636.23 and 28,343.92 is: 42,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,090.55 : 175,636.23 = 28,343.92 : x
  2. Step 2: Convert to fraction form
    117,090.55/175,636.23 = 28,343.92/x
  3. Step 3: Cross multiply
    117,090.55x = 175,636.23 × 28,343.92
  4. Step 4: Simplify right side
    117,090.55x = 4,978,218,374.04
  5. Step 5: Solve for x
    x = 4,978,218,374.04/117,090.55
  6. Step 6: Final answer
    x = 42,515.97

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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.