Home / 47,010.79-70,515.27-11,472.34

Finding the Fourth Proportional to 47,010.79, 70,515.27 and 11,472.34

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Solution

The fourth proportional to 47,010.79, 70,515.27 and 11,472.34 is: 17,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,010.79 : 70,515.27 = 11,472.34 : x
  2. Step 2: Convert to fraction form
    47,010.79/70,515.27 = 11,472.34/x
  3. Step 3: Cross multiply
    47,010.79x = 70,515.27 × 11,472.34
  4. Step 4: Simplify right side
    47,010.79x = 808,975,152.63
  5. Step 5: Solve for x
    x = 808,975,152.63/47,010.79
  6. Step 6: Final answer
    x = 17,208.29

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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.