Home / 56,762.23-85,142.43-19,348.36

Finding the Fourth Proportional to 56,762.23, 85,142.43 and 19,348.36

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Solution

The fourth proportional to 56,762.23, 85,142.43 and 19,348.36 is: 29,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.23 : 85,142.43 = 19,348.36 : x
  2. Step 2: Convert to fraction form
    56,762.23/85,142.43 = 19,348.36/x
  3. Step 3: Cross multiply
    56,762.23x = 85,142.43 × 19,348.36
  4. Step 4: Simplify right side
    56,762.23x = 1,647,366,386.91
  5. Step 5: Solve for x
    x = 1,647,366,386.91/56,762.23
  6. Step 6: Final answer
    x = 29,022.23

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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.