Home / 112,920.75-169,392.47-29,814.75

Finding the Fourth Proportional to 112,920.75, 169,392.47 and 29,814.75

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Solution

The fourth proportional to 112,920.75, 169,392.47 and 29,814.75 is: 44,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.75 : 169,392.47 = 29,814.75 : x
  2. Step 2: Convert to fraction form
    112,920.75/169,392.47 = 29,814.75/x
  3. Step 3: Cross multiply
    112,920.75x = 169,392.47 × 29,814.75
  4. Step 4: Simplify right side
    112,920.75x = 5,050,393,995.86
  5. Step 5: Solve for x
    x = 5,050,393,995.86/112,920.75
  6. Step 6: Final answer
    x = 44,725.12

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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.