Home / 64,086.28-96,140.34-19,712.06

Finding the Fourth Proportional to 64,086.28, 96,140.34 and 19,712.06

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Solution

The fourth proportional to 64,086.28, 96,140.34 and 19,712.06 is: 29,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,086.28 : 96,140.34 = 19,712.06 : x
  2. Step 2: Convert to fraction form
    64,086.28/96,140.34 = 19,712.06/x
  3. Step 3: Cross multiply
    64,086.28x = 96,140.34 × 19,712.06
  4. Step 4: Simplify right side
    64,086.28x = 1,895,124,150.50
  5. Step 5: Solve for x
    x = 1,895,124,150.50/64,086.28
  6. Step 6: Final answer
    x = 29,571.45

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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.