Home / 114,826.08-172,219.68-31,720.32

Finding the Fourth Proportional to 114,826.08, 172,219.68 and 31,720.32

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Solution

The fourth proportional to 114,826.08, 172,219.68 and 31,720.32 is: 47,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,826.08 : 172,219.68 = 31,720.32 : x
  2. Step 2: Convert to fraction form
    114,826.08/172,219.68 = 31,720.32/x
  3. Step 3: Cross multiply
    114,826.08x = 172,219.68 × 31,720.32
  4. Step 4: Simplify right side
    114,826.08x = 5,462,863,359.90
  5. Step 5: Solve for x
    x = 5,462,863,359.90/114,826.08
  6. Step 6: Final answer
    x = 47,575.11

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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.