Home / 117,850.34-162,637.14-66,865.22

Finding the Fourth Proportional to 117,850.34, 162,637.14 and 66,865.22

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Solution

The fourth proportional to 117,850.34, 162,637.14 and 66,865.22 is: 92,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,850.34 : 162,637.14 = 66,865.22 : x
  2. Step 2: Convert to fraction form
    117,850.34/162,637.14 = 66,865.22/x
  3. Step 3: Cross multiply
    117,850.34x = 162,637.14 × 66,865.22
  4. Step 4: Simplify right side
    117,850.34x = 10,874,768,552.86
  5. Step 5: Solve for x
    x = 10,874,768,552.86/117,850.34
  6. Step 6: Final answer
    x = 92,276.09

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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.