Home / 51,943.10-77,865.33-16,858.22

Finding the Fourth Proportional to 51,943.10, 77,865.33 and 16,858.22

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Solution

The fourth proportional to 51,943.10, 77,865.33 and 16,858.22 is: 25,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.10 : 77,865.33 = 16,858.22 : x
  2. Step 2: Convert to fraction form
    51,943.10/77,865.33 = 16,858.22/x
  3. Step 3: Cross multiply
    51,943.10x = 77,865.33 × 16,858.22
  4. Step 4: Simplify right side
    51,943.10x = 1,312,670,863.51
  5. Step 5: Solve for x
    x = 1,312,670,863.51/51,943.10
  6. Step 6: Final answer
    x = 25,271.32

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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.