Home / 117,783.24-162,542.48-64,070.52

Finding the Fourth Proportional to 117,783.24, 162,542.48 and 64,070.52

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Solution

The fourth proportional to 117,783.24, 162,542.48 and 64,070.52 is: 88,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,783.24 : 162,542.48 = 64,070.52 : x
  2. Step 2: Convert to fraction form
    117,783.24/162,542.48 = 64,070.52/x
  3. Step 3: Cross multiply
    117,783.24x = 162,542.48 × 64,070.52
  4. Step 4: Simplify right side
    117,783.24x = 10,414,181,215.69
  5. Step 5: Solve for x
    x = 10,414,181,215.69/117,783.24
  6. Step 6: Final answer
    x = 88,418.19

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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.