Home / 55,870.73-83,858.75-20,366.36

Finding the Fourth Proportional to 55,870.73, 83,858.75 and 20,366.36

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Solution

The fourth proportional to 55,870.73, 83,858.75 and 20,366.36 is: 30,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.73 : 83,858.75 = 20,366.36 : x
  2. Step 2: Convert to fraction form
    55,870.73/83,858.75 = 20,366.36/x
  3. Step 3: Cross multiply
    55,870.73x = 83,858.75 × 20,366.36
  4. Step 4: Simplify right side
    55,870.73x = 1,707,896,970.52
  5. Step 5: Solve for x
    x = 1,707,896,970.52/55,870.73
  6. Step 6: Final answer
    x = 30,568.73

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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.