Home / 47,145.47-70,764.68-34,630.36

Finding the Fourth Proportional to 47,145.47, 70,764.68 and 34,630.36

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Solution

The fourth proportional to 47,145.47, 70,764.68 and 34,630.36 is: 51,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.47 : 70,764.68 = 34,630.36 : x
  2. Step 2: Convert to fraction form
    47,145.47/70,764.68 = 34,630.36/x
  3. Step 3: Cross multiply
    47,145.47x = 70,764.68 × 34,630.36
  4. Step 4: Simplify right side
    47,145.47x = 2,450,606,343.68
  5. Step 5: Solve for x
    x = 2,450,606,343.68/47,145.47
  6. Step 6: Final answer
    x = 51,979.68

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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.