Home / 64,649.20-89,214.82-35,968.56

Finding the Fourth Proportional to 64,649.20, 89,214.82 and 35,968.56

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Solution

The fourth proportional to 64,649.20, 89,214.82 and 35,968.56 is: 49,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,649.20 : 89,214.82 = 35,968.56 : x
  2. Step 2: Convert to fraction form
    64,649.20/89,214.82 = 35,968.56/x
  3. Step 3: Cross multiply
    64,649.20x = 89,214.82 × 35,968.56
  4. Step 4: Simplify right side
    64,649.20x = 3,208,928,606.06
  5. Step 5: Solve for x
    x = 3,208,928,606.06/64,649.20
  6. Step 6: Final answer
    x = 49,636.01

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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.