Home / 73,684.48-110,434.32-31,515.04

Finding the Fourth Proportional to 73,684.48, 110,434.32 and 31,515.04

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Solution

The fourth proportional to 73,684.48, 110,434.32 and 31,515.04 is: 47,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,684.48 : 110,434.32 = 31,515.04 : x
  2. Step 2: Convert to fraction form
    73,684.48/110,434.32 = 31,515.04/x
  3. Step 3: Cross multiply
    73,684.48x = 110,434.32 × 31,515.04
  4. Step 4: Simplify right side
    73,684.48x = 3,480,342,012.17
  5. Step 5: Solve for x
    x = 3,480,342,012.17/73,684.48
  6. Step 6: Final answer
    x = 47,233.04

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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.