Home / 70,760.43-97,673.40-43,918.65

Finding the Fourth Proportional to 70,760.43, 97,673.40 and 43,918.65

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Solution

The fourth proportional to 70,760.43, 97,673.40 and 43,918.65 is: 60,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.43 : 97,673.40 = 43,918.65 : x
  2. Step 2: Convert to fraction form
    70,760.43/97,673.40 = 43,918.65/x
  3. Step 3: Cross multiply
    70,760.43x = 97,673.40 × 43,918.65
  4. Step 4: Simplify right side
    70,760.43x = 4,289,683,868.91
  5. Step 5: Solve for x
    x = 4,289,683,868.91/70,760.43
  6. Step 6: Final answer
    x = 60,622.64

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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.