Home / 64,119.46-96,181.14-21,998.95

Finding the Fourth Proportional to 64,119.46, 96,181.14 and 21,998.95

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Solution

The fourth proportional to 64,119.46, 96,181.14 and 21,998.95 is: 32,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.46 : 96,181.14 = 21,998.95 : x
  2. Step 2: Convert to fraction form
    64,119.46/96,181.14 = 21,998.95/x
  3. Step 3: Cross multiply
    64,119.46x = 96,181.14 × 21,998.95
  4. Step 4: Simplify right side
    64,119.46x = 2,115,883,808.10
  5. Step 5: Solve for x
    x = 2,115,883,808.10/64,119.46
  6. Step 6: Final answer
    x = 32,999.09

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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.