Home / 57,380.67-85,959.63-45,556.29

Finding the Fourth Proportional to 57,380.67, 85,959.63 and 45,556.29

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Solution

The fourth proportional to 57,380.67, 85,959.63 and 45,556.29 is: 68,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.67 : 85,959.63 = 45,556.29 : x
  2. Step 2: Convert to fraction form
    57,380.67/85,959.63 = 45,556.29/x
  3. Step 3: Cross multiply
    57,380.67x = 85,959.63 × 45,556.29
  4. Step 4: Simplify right side
    57,380.67x = 3,916,001,832.57
  5. Step 5: Solve for x
    x = 3,916,001,832.57/57,380.67
  6. Step 6: Final answer
    x = 68,246.01

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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.