Home / 112,630.32-168,945.35-51,834.47

Finding the Fourth Proportional to 112,630.32, 168,945.35 and 51,834.47

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Solution

The fourth proportional to 112,630.32, 168,945.35 and 51,834.47 is: 77,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,630.32 : 168,945.35 = 51,834.47 : x
  2. Step 2: Convert to fraction form
    112,630.32/168,945.35 = 51,834.47/x
  3. Step 3: Cross multiply
    112,630.32x = 168,945.35 × 51,834.47
  4. Step 4: Simplify right side
    112,630.32x = 8,757,191,572.32
  5. Step 5: Solve for x
    x = 8,757,191,572.32/112,630.32
  6. Step 6: Final answer
    x = 77,751.64

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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.