Home / 77,180.23-115,690.96-35,089.59

Finding the Fourth Proportional to 77,180.23, 115,690.96 and 35,089.59

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Solution

The fourth proportional to 77,180.23, 115,690.96 and 35,089.59 is: 52,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,180.23 : 115,690.96 = 35,089.59 : x
  2. Step 2: Convert to fraction form
    77,180.23/115,690.96 = 35,089.59/x
  3. Step 3: Cross multiply
    77,180.23x = 115,690.96 × 35,089.59
  4. Step 4: Simplify right side
    77,180.23x = 4,059,548,353.11
  5. Step 5: Solve for x
    x = 4,059,548,353.11/77,180.23
  6. Step 6: Final answer
    x = 52,598.29

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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.