Home / 47,297.78-70,898.76-30,668.36

Finding the Fourth Proportional to 47,297.78, 70,898.76 and 30,668.36

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Solution

The fourth proportional to 47,297.78, 70,898.76 and 30,668.36 is: 45,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,297.78 : 70,898.76 = 30,668.36 : x
  2. Step 2: Convert to fraction form
    47,297.78/70,898.76 = 30,668.36/x
  3. Step 3: Cross multiply
    47,297.78x = 70,898.76 × 30,668.36
  4. Step 4: Simplify right side
    47,297.78x = 2,174,348,695.23
  5. Step 5: Solve for x
    x = 2,174,348,695.23/47,297.78
  6. Step 6: Final answer
    x = 45,971.47

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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.