Home / 64,346.09-96,412.43-45,532.88

Finding the Fourth Proportional to 64,346.09, 96,412.43 and 45,532.88

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Solution

The fourth proportional to 64,346.09, 96,412.43 and 45,532.88 is: 68,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,346.09 : 96,412.43 = 45,532.88 : x
  2. Step 2: Convert to fraction form
    64,346.09/96,412.43 = 45,532.88/x
  3. Step 3: Cross multiply
    64,346.09x = 96,412.43 × 45,532.88
  4. Step 4: Simplify right side
    64,346.09x = 4,389,934,895.97
  5. Step 5: Solve for x
    x = 4,389,934,895.97/64,346.09
  6. Step 6: Final answer
    x = 68,223.81

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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.