Home / 47,130.24-70,707.27-13,851.36

Finding the Fourth Proportional to 47,130.24, 70,707.27 and 13,851.36

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Solution

The fourth proportional to 47,130.24, 70,707.27 and 13,851.36 is: 20,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.24 : 70,707.27 = 13,851.36 : x
  2. Step 2: Convert to fraction form
    47,130.24/70,707.27 = 13,851.36/x
  3. Step 3: Cross multiply
    47,130.24x = 70,707.27 × 13,851.36
  4. Step 4: Simplify right side
    47,130.24x = 979,391,851.39
  5. Step 5: Solve for x
    x = 979,391,851.39/47,130.24
  6. Step 6: Final answer
    x = 20,780.54

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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.