Home / 112,390.14-168,668.17-53,225.72

Finding the Fourth Proportional to 112,390.14, 168,668.17 and 53,225.72

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Solution

The fourth proportional to 112,390.14, 168,668.17 and 53,225.72 is: 79,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390.14 : 168,668.17 = 53,225.72 : x
  2. Step 2: Convert to fraction form
    112,390.14/168,668.17 = 53,225.72/x
  3. Step 3: Cross multiply
    112,390.14x = 168,668.17 × 53,225.72
  4. Step 4: Simplify right side
    112,390.14x = 8,977,484,789.33
  5. Step 5: Solve for x
    x = 8,977,484,789.33/112,390.14
  6. Step 6: Final answer
    x = 79,877.87

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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.