Home / 117,089.72-175,635.03-28,343.08

Finding the Fourth Proportional to 117,089.72, 175,635.03 and 28,343.08

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Solution

The fourth proportional to 117,089.72, 175,635.03 and 28,343.08 is: 42,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089.72 : 175,635.03 = 28,343.08 : x
  2. Step 2: Convert to fraction form
    117,089.72/175,635.03 = 28,343.08/x
  3. Step 3: Cross multiply
    117,089.72x = 175,635.03 × 28,343.08
  4. Step 4: Simplify right side
    117,089.72x = 4,978,036,686.20
  5. Step 5: Solve for x
    x = 4,978,036,686.20/117,089.72
  6. Step 6: Final answer
    x = 42,514.72

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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.