Home / 55,908.23-83,862.54-20,847.38

Finding the Fourth Proportional to 55,908.23, 83,862.54 and 20,847.38

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Solution

The fourth proportional to 55,908.23, 83,862.54 and 20,847.38 is: 31,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908.23 : 83,862.54 = 20,847.38 : x
  2. Step 2: Convert to fraction form
    55,908.23/83,862.54 = 20,847.38/x
  3. Step 3: Cross multiply
    55,908.23x = 83,862.54 × 20,847.38
  4. Step 4: Simplify right side
    55,908.23x = 1,748,313,819.83
  5. Step 5: Solve for x
    x = 1,748,313,819.83/55,908.23
  6. Step 6: Final answer
    x = 31,271.14

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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.