Home / 76,087.08-114,068.78-31,746.86

Finding the Fourth Proportional to 76,087.08, 114,068.78 and 31,746.86

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Solution

The fourth proportional to 76,087.08, 114,068.78 and 31,746.86 is: 47,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.08 : 114,068.78 = 31,746.86 : x
  2. Step 2: Convert to fraction form
    76,087.08/114,068.78 = 31,746.86/x
  3. Step 3: Cross multiply
    76,087.08x = 114,068.78 × 31,746.86
  4. Step 4: Simplify right side
    76,087.08x = 3,621,325,589.03
  5. Step 5: Solve for x
    x = 3,621,325,589.03/76,087.08
  6. Step 6: Final answer
    x = 47,594.49

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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.