Home / 117,633.12-176,449.68-42,739.32

Finding the Fourth Proportional to 117,633.12, 176,449.68 and 42,739.32

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Solution

The fourth proportional to 117,633.12, 176,449.68 and 42,739.32 is: 64,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,633.12 : 176,449.68 = 42,739.32 : x
  2. Step 2: Convert to fraction form
    117,633.12/176,449.68 = 42,739.32/x
  3. Step 3: Cross multiply
    117,633.12x = 176,449.68 × 42,739.32
  4. Step 4: Simplify right side
    117,633.12x = 7,541,339,337.42
  5. Step 5: Solve for x
    x = 7,541,339,337.42/117,633.12
  6. Step 6: Final answer
    x = 64,108.98

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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.