Home / 55,117.17-82,686.69-20,059.56

Finding the Fourth Proportional to 55,117.17, 82,686.69 and 20,059.56

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Solution

The fourth proportional to 55,117.17, 82,686.69 and 20,059.56 is: 30,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.17 : 82,686.69 = 20,059.56 : x
  2. Step 2: Convert to fraction form
    55,117.17/82,686.69 = 20,059.56/x
  3. Step 3: Cross multiply
    55,117.17x = 82,686.69 × 20,059.56
  4. Step 4: Simplify right side
    55,117.17x = 1,658,658,619.26
  5. Step 5: Solve for x
    x = 1,658,658,619.26/55,117.17
  6. Step 6: Final answer
    x = 30,093.32

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1.5x scale

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.