Home / 65,051.28-89,769.60-36,756.36

Finding the Fourth Proportional to 65,051.28, 89,769.60 and 36,756.36

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Solution

The fourth proportional to 65,051.28, 89,769.60 and 36,756.36 is: 50,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,051.28 : 89,769.60 = 36,756.36 : x
  2. Step 2: Convert to fraction form
    65,051.28/89,769.60 = 36,756.36/x
  3. Step 3: Cross multiply
    65,051.28x = 89,769.60 × 36,756.36
  4. Step 4: Simplify right side
    65,051.28x = 3,299,603,734.66
  5. Step 5: Solve for x
    x = 3,299,603,734.66/65,051.28
  6. Step 6: Final answer
    x = 50,723.12

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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.