Home / 57,691.22-79,583.02-39,795.08

Finding the Fourth Proportional to 57,691.22, 79,583.02 and 39,795.08

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Solution

The fourth proportional to 57,691.22, 79,583.02 and 39,795.08 is: 54,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,691.22 : 79,583.02 = 39,795.08 : x
  2. Step 2: Convert to fraction form
    57,691.22/79,583.02 = 39,795.08/x
  3. Step 3: Cross multiply
    57,691.22x = 79,583.02 × 39,795.08
  4. Step 4: Simplify right side
    57,691.22x = 3,167,012,647.54
  5. Step 5: Solve for x
    x = 3,167,012,647.54/57,691.22
  6. Step 6: Final answer
    x = 54,895.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.