Home / 117,733.07-162,468.20-66,750.50

Finding the Fourth Proportional to 117,733.07, 162,468.20 and 66,750.50

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Solution

The fourth proportional to 117,733.07, 162,468.20 and 66,750.50 is: 92,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,733.07 : 162,468.20 = 66,750.50 : x
  2. Step 2: Convert to fraction form
    117,733.07/162,468.20 = 66,750.50/x
  3. Step 3: Cross multiply
    117,733.07x = 162,468.20 × 66,750.50
  4. Step 4: Simplify right side
    117,733.07x = 10,844,834,157.15
  5. Step 5: Solve for x
    x = 10,844,834,157.15/117,733.07
  6. Step 6: Final answer
    x = 92,113.74

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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.