Home / 70,769.35-97,664.39-40,560.50

Finding the Fourth Proportional to 70,769.35, 97,664.39 and 40,560.50

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Solution

The fourth proportional to 70,769.35, 97,664.39 and 40,560.50 is: 55,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,769.35 : 97,664.39 = 40,560.50 : x
  2. Step 2: Convert to fraction form
    70,769.35/97,664.39 = 40,560.50/x
  3. Step 3: Cross multiply
    70,769.35x = 97,664.39 × 40,560.50
  4. Step 4: Simplify right side
    70,769.35x = 3,961,316,952.36
  5. Step 5: Solve for x
    x = 3,961,316,952.36/70,769.35
  6. Step 6: Final answer
    x = 55,975.03

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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.