Home / 47,140.50-70,744.47-17,154.69

Finding the Fourth Proportional to 47,140.50, 70,744.47 and 17,154.69

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Solution

The fourth proportional to 47,140.50, 70,744.47 and 17,154.69 is: 25,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.50 : 70,744.47 = 17,154.69 : x
  2. Step 2: Convert to fraction form
    47,140.50/70,744.47 = 17,154.69/x
  3. Step 3: Cross multiply
    47,140.50x = 70,744.47 × 17,154.69
  4. Step 4: Simplify right side
    47,140.50x = 1,213,599,452.06
  5. Step 5: Solve for x
    x = 1,213,599,452.06/47,140.50
  6. Step 6: Final answer
    x = 25,744.31

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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.