Home / 55,065.51-82,548.18-19,997.01

Finding the Fourth Proportional to 55,065.51, 82,548.18 and 19,997.01

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Solution

The fourth proportional to 55,065.51, 82,548.18 and 19,997.01 is: 29,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,065.51 : 82,548.18 = 19,997.01 : x
  2. Step 2: Convert to fraction form
    55,065.51/82,548.18 = 19,997.01/x
  3. Step 3: Cross multiply
    55,065.51x = 82,548.18 × 19,997.01
  4. Step 4: Simplify right side
    55,065.51x = 1,650,716,780.94
  5. Step 5: Solve for x
    x = 1,650,716,780.94/55,065.51
  6. Step 6: Final answer
    x = 29,977.33

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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.