Home / 64,323.52-88,769.28-40,441.12

Finding the Fourth Proportional to 64,323.52, 88,769.28 and 40,441.12

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Solution

The fourth proportional to 64,323.52, 88,769.28 and 40,441.12 is: 55,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,323.52 : 88,769.28 = 40,441.12 : x
  2. Step 2: Convert to fraction form
    64,323.52/88,769.28 = 40,441.12/x
  3. Step 3: Cross multiply
    64,323.52x = 88,769.28 × 40,441.12
  4. Step 4: Simplify right side
    64,323.52x = 3,589,929,104.79
  5. Step 5: Solve for x
    x = 3,589,929,104.79/64,323.52
  6. Step 6: Final answer
    x = 55,810.52

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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.