Home / 114,877.44-172,316.30-55,721.79

Finding the Fourth Proportional to 114,877.44, 172,316.30 and 55,721.79

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Solution

The fourth proportional to 114,877.44, 172,316.30 and 55,721.79 is: 83,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,877.44 : 172,316.30 = 55,721.79 : x
  2. Step 2: Convert to fraction form
    114,877.44/172,316.30 = 55,721.79/x
  3. Step 3: Cross multiply
    114,877.44x = 172,316.30 × 55,721.79
  4. Step 4: Simplify right side
    114,877.44x = 9,601,772,403.57
  5. Step 5: Solve for x
    x = 9,601,772,403.57/114,877.44
  6. Step 6: Final answer
    x = 83,582.75

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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.