Home / 117,850.72-162,689.60-75,433.84

Finding the Fourth Proportional to 117,850.72, 162,689.60 and 75,433.84

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Solution

The fourth proportional to 117,850.72, 162,689.60 and 75,433.84 is: 104,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,850.72 : 162,689.60 = 75,433.84 : x
  2. Step 2: Convert to fraction form
    117,850.72/162,689.60 = 75,433.84/x
  3. Step 3: Cross multiply
    117,850.72x = 162,689.60 × 75,433.84
  4. Step 4: Simplify right side
    117,850.72x = 12,272,301,256.06
  5. Step 5: Solve for x
    x = 12,272,301,256.06/117,850.72
  6. Step 6: Final answer
    x = 104,134.29

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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.