Home / 112,544.28-168,767.19-53,396.82

Finding the Fourth Proportional to 112,544.28, 168,767.19 and 53,396.82

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Solution

The fourth proportional to 112,544.28, 168,767.19 and 53,396.82 is: 80,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544.28 : 168,767.19 = 53,396.82 : x
  2. Step 2: Convert to fraction form
    112,544.28/168,767.19 = 53,396.82/x
  3. Step 3: Cross multiply
    112,544.28x = 168,767.19 × 53,396.82
  4. Step 4: Simplify right side
    112,544.28x = 9,011,631,266.34
  5. Step 5: Solve for x
    x = 9,011,631,266.34/112,544.28
  6. Step 6: Final answer
    x = 80,071.87

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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.