Home / 55,870.35-83,858.19-20,365.98

Finding the Fourth Proportional to 55,870.35, 83,858.19 and 20,365.98

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Solution

The fourth proportional to 55,870.35, 83,858.19 and 20,365.98 is: 30,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.35 : 83,858.19 = 20,365.98 : x
  2. Step 2: Convert to fraction form
    55,870.35/83,858.19 = 20,365.98/x
  3. Step 3: Cross multiply
    55,870.35x = 83,858.19 × 20,365.98
  4. Step 4: Simplify right side
    55,870.35x = 1,707,854,301.24
  5. Step 5: Solve for x
    x = 1,707,854,301.24/55,870.35
  6. Step 6: Final answer
    x = 30,568.17

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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.