Home / 57,091.58-85,616.07-19,641.06

Finding the Fourth Proportional to 57,091.58, 85,616.07 and 19,641.06

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Solution

The fourth proportional to 57,091.58, 85,616.07 and 19,641.06 is: 29,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.58 : 85,616.07 = 19,641.06 : x
  2. Step 2: Convert to fraction form
    57,091.58/85,616.07 = 19,641.06/x
  3. Step 3: Cross multiply
    57,091.58x = 85,616.07 × 19,641.06
  4. Step 4: Simplify right side
    57,091.58x = 1,681,590,367.83
  5. Step 5: Solve for x
    x = 1,681,590,367.83/57,091.58
  6. Step 6: Final answer
    x = 29,454.26

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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.