Home / 70,982.40-97,955.51-40,769.67

Finding the Fourth Proportional to 70,982.40, 97,955.51 and 40,769.67

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Solution

The fourth proportional to 70,982.40, 97,955.51 and 40,769.67 is: 56,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.40 : 97,955.51 = 40,769.67 : x
  2. Step 2: Convert to fraction form
    70,982.40/97,955.51 = 40,769.67/x
  3. Step 3: Cross multiply
    70,982.40x = 97,955.51 × 40,769.67
  4. Step 4: Simplify right side
    70,982.40x = 3,993,613,613.53
  5. Step 5: Solve for x
    x = 3,993,613,613.53/70,982.40
  6. Step 6: Final answer
    x = 56,262.03

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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.