Home / 53,136.66-79,726.54-19,866.26

Finding the Fourth Proportional to 53,136.66, 79,726.54 and 19,866.26

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Solution

The fourth proportional to 53,136.66, 79,726.54 and 19,866.26 is: 29,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.66 : 79,726.54 = 19,866.26 : x
  2. Step 2: Convert to fraction form
    53,136.66/79,726.54 = 19,866.26/x
  3. Step 3: Cross multiply
    53,136.66x = 79,726.54 × 19,866.26
  4. Step 4: Simplify right side
    53,136.66x = 1,583,868,172.54
  5. Step 5: Solve for x
    x = 1,583,868,172.54/53,136.66
  6. Step 6: Final answer
    x = 29,807.45

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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.