Home / 112,386.69-168,663.23-53,222.49

Finding the Fourth Proportional to 112,386.69, 168,663.23 and 53,222.49

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Solution

The fourth proportional to 112,386.69, 168,663.23 and 53,222.49 is: 79,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,386.69 : 168,663.23 = 53,222.49 : x
  2. Step 2: Convert to fraction form
    112,386.69/168,663.23 = 53,222.49/x
  3. Step 3: Cross multiply
    112,386.69x = 168,663.23 × 53,222.49
  4. Step 4: Simplify right side
    112,386.69x = 8,976,677,072.04
  5. Step 5: Solve for x
    x = 8,976,677,072.04/112,386.69
  6. Step 6: Final answer
    x = 79,873.13

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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.