Home / 112,486.62-168,812.82-53,322.06

Finding the Fourth Proportional to 112,486.62, 168,812.82 and 53,322.06

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Solution

The fourth proportional to 112,486.62, 168,812.82 and 53,322.06 is: 80,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,486.62 : 168,812.82 = 53,322.06 : x
  2. Step 2: Convert to fraction form
    112,486.62/168,812.82 = 53,322.06/x
  3. Step 3: Cross multiply
    112,486.62x = 168,812.82 × 53,322.06
  4. Step 4: Simplify right side
    112,486.62x = 9,001,447,050.20
  5. Step 5: Solve for x
    x = 9,001,447,050.20/112,486.62
  6. Step 6: Final answer
    x = 80,022.38

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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.