Home / 56,862.75-85,294.13-19,926.75

Finding the Fourth Proportional to 56,862.75, 85,294.13 and 19,926.75

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Solution

The fourth proportional to 56,862.75, 85,294.13 and 19,926.75 is: 29,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862.75 : 85,294.13 = 19,926.75 : x
  2. Step 2: Convert to fraction form
    56,862.75/85,294.13 = 19,926.75/x
  3. Step 3: Cross multiply
    56,862.75x = 85,294.13 × 19,926.75
  4. Step 4: Simplify right side
    56,862.75x = 1,699,634,705.34
  5. Step 5: Solve for x
    x = 1,699,634,705.34/56,862.75
  6. Step 6: Final answer
    x = 29,890.13

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Similar ratio
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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.