Home / 75,784.92-113,612.58-29,071.32

Finding the Fourth Proportional to 75,784.92, 113,612.58 and 29,071.32

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Solution

The fourth proportional to 75,784.92, 113,612.58 and 29,071.32 is: 43,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,784.92 : 113,612.58 = 29,071.32 : x
  2. Step 2: Convert to fraction form
    75,784.92/113,612.58 = 29,071.32/x
  3. Step 3: Cross multiply
    75,784.92x = 113,612.58 × 29,071.32
  4. Step 4: Simplify right side
    75,784.92x = 3,302,867,669.21
  5. Step 5: Solve for x
    x = 3,302,867,669.21/75,784.92
  6. Step 6: Final answer
    x = 43,582.12

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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.