Home / 117,108.51-175,636.49-53,867.90

Finding the Fourth Proportional to 117,108.51, 175,636.49 and 53,867.90

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Solution

The fourth proportional to 117,108.51, 175,636.49 and 53,867.90 is: 80,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,108.51 : 175,636.49 = 53,867.90 : x
  2. Step 2: Convert to fraction form
    117,108.51/175,636.49 = 53,867.90/x
  3. Step 3: Cross multiply
    117,108.51x = 175,636.49 × 53,867.90
  4. Step 4: Simplify right side
    117,108.51x = 9,461,168,001.49
  5. Step 5: Solve for x
    x = 9,461,168,001.49/117,108.51
  6. Step 6: Final answer
    x = 80,789.76

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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.