Home / 76,056.68-114,085.22-31,078.04

Finding the Fourth Proportional to 76,056.68, 114,085.22 and 31,078.04

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Solution

The fourth proportional to 76,056.68, 114,085.22 and 31,078.04 is: 46,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,056.68 : 114,085.22 = 31,078.04 : x
  2. Step 2: Convert to fraction form
    76,056.68/114,085.22 = 31,078.04/x
  3. Step 3: Cross multiply
    76,056.68x = 114,085.22 × 31,078.04
  4. Step 4: Simplify right side
    76,056.68x = 3,545,544,986.45
  5. Step 5: Solve for x
    x = 3,545,544,986.45/76,056.68
  6. Step 6: Final answer
    x = 46,617.14

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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.