Home / 88,682.02-122,402.13-50,978.14

Finding the Fourth Proportional to 88,682.02, 122,402.13 and 50,978.14

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Solution

The fourth proportional to 88,682.02, 122,402.13 and 50,978.14 is: 70,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.02 : 122,402.13 = 50,978.14 : x
  2. Step 2: Convert to fraction form
    88,682.02/122,402.13 = 50,978.14/x
  3. Step 3: Cross multiply
    88,682.02x = 122,402.13 × 50,978.14
  4. Step 4: Simplify right side
    88,682.02x = 6,239,832,919.44
  5. Step 5: Solve for x
    x = 6,239,832,919.44/88,682.02
  6. Step 6: Final answer
    x = 70,361.87

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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.