Home / 117,648.24-162,346.03-66,661.98

Finding the Fourth Proportional to 117,648.24, 162,346.03 and 66,661.98

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Solution

The fourth proportional to 117,648.24, 162,346.03 and 66,661.98 is: 91,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648.24 : 162,346.03 = 66,661.98 : x
  2. Step 2: Convert to fraction form
    117,648.24/162,346.03 = 66,661.98/x
  3. Step 3: Cross multiply
    117,648.24x = 162,346.03 × 66,661.98
  4. Step 4: Simplify right side
    117,648.24x = 10,822,307,804.94
  5. Step 5: Solve for x
    x = 10,822,307,804.94/117,648.24
  6. Step 6: Final answer
    x = 91,988.69

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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.