Home / 64,859.56-89,507.10-36,178.36

Finding the Fourth Proportional to 64,859.56, 89,507.10 and 36,178.36

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Solution

The fourth proportional to 64,859.56, 89,507.10 and 36,178.36 is: 49,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.56 : 89,507.10 = 36,178.36 : x
  2. Step 2: Convert to fraction form
    64,859.56/89,507.10 = 36,178.36/x
  3. Step 3: Cross multiply
    64,859.56x = 89,507.10 × 36,178.36
  4. Step 4: Simplify right side
    64,859.56x = 3,238,220,086.36
  5. Step 5: Solve for x
    x = 3,238,220,086.36/64,859.56
  6. Step 6: Final answer
    x = 49,926.64

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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.