Home / 112,633.32-168,949.85-51,837.48

Finding the Fourth Proportional to 112,633.32, 168,949.85 and 51,837.48

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Solution

The fourth proportional to 112,633.32, 168,949.85 and 51,837.48 is: 77,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,633.32 : 168,949.85 = 51,837.48 : x
  2. Step 2: Convert to fraction form
    112,633.32/168,949.85 = 51,837.48/x
  3. Step 3: Cross multiply
    112,633.32x = 168,949.85 × 51,837.48
  4. Step 4: Simplify right side
    112,633.32x = 8,757,934,211.19
  5. Step 5: Solve for x
    x = 8,757,934,211.19/112,633.32
  6. Step 6: Final answer
    x = 77,756.16

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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.