Home / 68,201.62-94,085.64-52,990.18

Finding the Fourth Proportional to 68,201.62, 94,085.64 and 52,990.18

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Solution

The fourth proportional to 68,201.62, 94,085.64 and 52,990.18 is: 73,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,201.62 : 94,085.64 = 52,990.18 : x
  2. Step 2: Convert to fraction form
    68,201.62/94,085.64 = 52,990.18/x
  3. Step 3: Cross multiply
    68,201.62x = 94,085.64 × 52,990.18
  4. Step 4: Simplify right side
    68,201.62x = 4,985,615,028.42
  5. Step 5: Solve for x
    x = 4,985,615,028.42/68,201.62
  6. Step 6: Final answer
    x = 73,101.12

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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.