Home / 55,271.11-82,922.81-17,830.36

Finding the Fourth Proportional to 55,271.11, 82,922.81 and 17,830.36

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Solution

The fourth proportional to 55,271.11, 82,922.81 and 17,830.36 is: 26,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.11 : 82,922.81 = 17,830.36 : x
  2. Step 2: Convert to fraction form
    55,271.11/82,922.81 = 17,830.36/x
  3. Step 3: Cross multiply
    55,271.11x = 82,922.81 × 17,830.36
  4. Step 4: Simplify right side
    55,271.11x = 1,478,543,139.90
  5. Step 5: Solve for x
    x = 1,478,543,139.90/55,271.11
  6. Step 6: Final answer
    x = 26,750.74

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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.