Home / 112,774.32-169,183.80-50,445.36

Finding the Fourth Proportional to 112,774.32, 169,183.80 and 50,445.36

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Solution

The fourth proportional to 112,774.32, 169,183.80 and 50,445.36 is: 75,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,774.32 : 169,183.80 = 50,445.36 : x
  2. Step 2: Convert to fraction form
    112,774.32/169,183.80 = 50,445.36/x
  3. Step 3: Cross multiply
    112,774.32x = 169,183.80 × 50,445.36
  4. Step 4: Simplify right side
    112,774.32x = 8,534,537,697.17
  5. Step 5: Solve for x
    x = 8,534,537,697.17/112,774.32
  6. Step 6: Final answer
    x = 75,678.02

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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.