Home / 55,124.49-82,686.42-20,064.15

Finding the Fourth Proportional to 55,124.49, 82,686.42 and 20,064.15

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Solution

The fourth proportional to 55,124.49, 82,686.42 and 20,064.15 is: 30,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.49 : 82,686.42 = 20,064.15 : x
  2. Step 2: Convert to fraction form
    55,124.49/82,686.42 = 20,064.15/x
  3. Step 3: Cross multiply
    55,124.49x = 82,686.42 × 20,064.15
  4. Step 4: Simplify right side
    55,124.49x = 1,659,032,733.84
  5. Step 5: Solve for x
    x = 1,659,032,733.84/55,124.49
  6. Step 6: Final answer
    x = 30,096.11

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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.