Home / 117,021.51-175,550.49-38,117.39

Finding the Fourth Proportional to 117,021.51, 175,550.49 and 38,117.39

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Solution

The fourth proportional to 117,021.51, 175,550.49 and 38,117.39 is: 57,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,021.51 : 175,550.49 = 38,117.39 : x
  2. Step 2: Convert to fraction form
    117,021.51/175,550.49 = 38,117.39/x
  3. Step 3: Cross multiply
    117,021.51x = 175,550.49 × 38,117.39
  4. Step 4: Simplify right side
    117,021.51x = 6,691,525,614.27
  5. Step 5: Solve for x
    x = 6,691,525,614.27/117,021.51
  6. Step 6: Final answer
    x = 57,182.01

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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.