Home / 117,905.73-162,764.74-69,492.38

Finding the Fourth Proportional to 117,905.73, 162,764.74 and 69,492.38

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Solution

The fourth proportional to 117,905.73, 162,764.74 and 69,492.38 is: 95,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,905.73 : 162,764.74 = 69,492.38 : x
  2. Step 2: Convert to fraction form
    117,905.73/162,764.74 = 69,492.38/x
  3. Step 3: Cross multiply
    117,905.73x = 162,764.74 × 69,492.38
  4. Step 4: Simplify right side
    117,905.73x = 11,310,909,351.27
  5. Step 5: Solve for x
    x = 11,310,909,351.27/117,905.73
  6. Step 6: Final answer
    x = 95,931.81

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1.5x scale

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.