Home / 57,198.08-85,798.93-19,760.29

Finding the Fourth Proportional to 57,198.08, 85,798.93 and 19,760.29

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Solution

The fourth proportional to 57,198.08, 85,798.93 and 19,760.29 is: 29,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,198.08 : 85,798.93 = 19,760.29 : x
  2. Step 2: Convert to fraction form
    57,198.08/85,798.93 = 19,760.29/x
  3. Step 3: Cross multiply
    57,198.08x = 85,798.93 × 19,760.29
  4. Step 4: Simplify right side
    57,198.08x = 1,695,411,511.64
  5. Step 5: Solve for x
    x = 1,695,411,511.64/57,198.08
  6. Step 6: Final answer
    x = 29,641.06

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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.