Home / 117,583.03-162,267.60-63,871.12

Finding the Fourth Proportional to 117,583.03, 162,267.60 and 63,871.12

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Solution

The fourth proportional to 117,583.03, 162,267.60 and 63,871.12 is: 88,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,583.03 : 162,267.60 = 63,871.12 : x
  2. Step 2: Convert to fraction form
    117,583.03/162,267.60 = 63,871.12/x
  3. Step 3: Cross multiply
    117,583.03x = 162,267.60 × 63,871.12
  4. Step 4: Simplify right side
    117,583.03x = 10,364,213,351.71
  5. Step 5: Solve for x
    x = 10,364,213,351.71/117,583.03
  6. Step 6: Final answer
    x = 88,143.79

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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.