Home / 53,136.20-79,616.81-37,127.36

Finding the Fourth Proportional to 53,136.20, 79,616.81 and 37,127.36

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Solution

The fourth proportional to 53,136.20, 79,616.81 and 37,127.36 is: 55,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.20 : 79,616.81 = 37,127.36 : x
  2. Step 2: Convert to fraction form
    53,136.20/79,616.81 = 37,127.36/x
  3. Step 3: Cross multiply
    53,136.20x = 79,616.81 × 37,127.36
  4. Step 4: Simplify right side
    53,136.20x = 2,955,961,807.59
  5. Step 5: Solve for x
    x = 2,955,961,807.59/53,136.20
  6. Step 6: Final answer
    x = 55,629.91

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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.