Home / 112,387.06-168,663.54-53,222.62

Finding the Fourth Proportional to 112,387.06, 168,663.54 and 53,222.62

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Solution

The fourth proportional to 112,387.06, 168,663.54 and 53,222.62 is: 79,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,387.06 : 168,663.54 = 53,222.62 : x
  2. Step 2: Convert to fraction form
    112,387.06/168,663.54 = 53,222.62/x
  3. Step 3: Cross multiply
    112,387.06x = 168,663.54 × 53,222.62
  4. Step 4: Simplify right side
    112,387.06x = 8,976,715,497.27
  5. Step 5: Solve for x
    x = 8,976,715,497.27/112,387.06
  6. Step 6: Final answer
    x = 79,873.21

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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.