Home / 117,875.92-162,682.60-66,201.49

Finding the Fourth Proportional to 117,875.92, 162,682.60 and 66,201.49

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Solution

The fourth proportional to 117,875.92, 162,682.60 and 66,201.49 is: 91,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,875.92 : 162,682.60 = 66,201.49 : x
  2. Step 2: Convert to fraction form
    117,875.92/162,682.60 = 66,201.49/x
  3. Step 3: Cross multiply
    117,875.92x = 162,682.60 × 66,201.49
  4. Step 4: Simplify right side
    117,875.92x = 10,769,830,636.47
  5. Step 5: Solve for x
    x = 10,769,830,636.47/117,875.92
  6. Step 6: Final answer
    x = 91,365.82

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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.