Home / 109,998.42-164,971.18-50,777.20

Finding the Fourth Proportional to 109,998.42, 164,971.18 and 50,777.20

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Solution

The fourth proportional to 109,998.42, 164,971.18 and 50,777.20 is: 76,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,998.42 : 164,971.18 = 50,777.20 : x
  2. Step 2: Convert to fraction form
    109,998.42/164,971.18 = 50,777.20/x
  3. Step 3: Cross multiply
    109,998.42x = 164,971.18 × 50,777.20
  4. Step 4: Simplify right side
    109,998.42x = 8,376,774,601.10
  5. Step 5: Solve for x
    x = 8,376,774,601.10/109,998.42
  6. Step 6: Final answer
    x = 76,153.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.