Home / 117,593.07-162,275.70-63,876.90

Finding the Fourth Proportional to 117,593.07, 162,275.70 and 63,876.90

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Solution

The fourth proportional to 117,593.07, 162,275.70 and 63,876.90 is: 88,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,593.07 : 162,275.70 = 63,876.90 : x
  2. Step 2: Convert to fraction form
    117,593.07/162,275.70 = 63,876.90/x
  3. Step 3: Cross multiply
    117,593.07x = 162,275.70 × 63,876.90
  4. Step 4: Simplify right side
    117,593.07x = 10,365,668,661.33
  5. Step 5: Solve for x
    x = 10,365,668,661.33/117,593.07
  6. Step 6: Final answer
    x = 88,148.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.