Home / 64,707.39-96,960.11-40,964.67

Finding the Fourth Proportional to 64,707.39, 96,960.11 and 40,964.67

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Solution

The fourth proportional to 64,707.39, 96,960.11 and 40,964.67 is: 61,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.39 : 96,960.11 = 40,964.67 : x
  2. Step 2: Convert to fraction form
    64,707.39/96,960.11 = 40,964.67/x
  3. Step 3: Cross multiply
    64,707.39x = 96,960.11 × 40,964.67
  4. Step 4: Simplify right side
    64,707.39x = 3,971,938,704.49
  5. Step 5: Solve for x
    x = 3,971,938,704.49/64,707.39
  6. Step 6: Final answer
    x = 61,383.08

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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.