Home / 55,124.36-82,686.23-20,064.02

Finding the Fourth Proportional to 55,124.36, 82,686.23 and 20,064.02

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Solution

The fourth proportional to 55,124.36, 82,686.23 and 20,064.02 is: 30,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.36 : 82,686.23 = 20,064.02 : x
  2. Step 2: Convert to fraction form
    55,124.36/82,686.23 = 20,064.02/x
  3. Step 3: Cross multiply
    55,124.36x = 82,686.23 × 20,064.02
  4. Step 4: Simplify right side
    55,124.36x = 1,659,018,172.44
  5. Step 5: Solve for x
    x = 1,659,018,172.44/55,124.36
  6. Step 6: Final answer
    x = 30,095.92

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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.