Home / 56,779.35-85,174.29-19,326.84

Finding the Fourth Proportional to 56,779.35, 85,174.29 and 19,326.84

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Solution

The fourth proportional to 56,779.35, 85,174.29 and 19,326.84 is: 28,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779.35 : 85,174.29 = 19,326.84 : x
  2. Step 2: Convert to fraction form
    56,779.35/85,174.29 = 19,326.84/x
  3. Step 3: Cross multiply
    56,779.35x = 85,174.29 × 19,326.84
  4. Step 4: Simplify right side
    56,779.35x = 1,646,149,874.94
  5. Step 5: Solve for x
    x = 1,646,149,874.94/56,779.35
  6. Step 6: Final answer
    x = 28,992.05

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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.