Home / 70,857.41-97,782.05-39,029.27

Finding the Fourth Proportional to 70,857.41, 97,782.05 and 39,029.27

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Solution

The fourth proportional to 70,857.41, 97,782.05 and 39,029.27 is: 53,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,857.41 : 97,782.05 = 39,029.27 : x
  2. Step 2: Convert to fraction form
    70,857.41/97,782.05 = 39,029.27/x
  3. Step 3: Cross multiply
    70,857.41x = 97,782.05 × 39,029.27
  4. Step 4: Simplify right side
    70,857.41x = 3,816,361,639.27
  5. Step 5: Solve for x
    x = 3,816,361,639.27/70,857.41
  6. Step 6: Final answer
    x = 53,859.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.