Home / 117,876.47-162,669.36-64,161.32

Finding the Fourth Proportional to 117,876.47, 162,669.36 and 64,161.32

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Solution

The fourth proportional to 117,876.47, 162,669.36 and 64,161.32 is: 88,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.47 : 162,669.36 = 64,161.32 : x
  2. Step 2: Convert to fraction form
    117,876.47/162,669.36 = 64,161.32/x
  3. Step 3: Cross multiply
    117,876.47x = 162,669.36 × 64,161.32
  4. Step 4: Simplify right side
    117,876.47x = 10,437,080,288.41
  5. Step 5: Solve for x
    x = 10,437,080,288.41/117,876.47
  6. Step 6: Final answer
    x = 88,542.53

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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.