Home / 75,474.47-113,225.39-31,077

Finding the Fourth Proportional to 75,474.47, 113,225.39 and 31,077

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Solution

The fourth proportional to 75,474.47, 113,225.39 and 31,077 is: 46,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,474.47 : 113,225.39 = 31,077 : x
  2. Step 2: Convert to fraction form
    75,474.47/113,225.39 = 31,077/x
  3. Step 3: Cross multiply
    75,474.47x = 113,225.39 × 31,077
  4. Step 4: Simplify right side
    75,474.47x = 3,518,705,289.65
  5. Step 5: Solve for x
    x = 3,518,705,289.65/75,474.47
  6. Step 6: Final answer
    x = 46,621.14

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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.