Home / 55,191.22-82,712.31-39,574.42

Finding the Fourth Proportional to 55,191.22, 82,712.31 and 39,574.42

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Solution

The fourth proportional to 55,191.22, 82,712.31 and 39,574.42 is: 59,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.22 : 82,712.31 = 39,574.42 : x
  2. Step 2: Convert to fraction form
    55,191.22/82,712.31 = 39,574.42/x
  3. Step 3: Cross multiply
    55,191.22x = 82,712.31 × 39,574.42
  4. Step 4: Simplify right side
    55,191.22x = 3,273,291,695.11
  5. Step 5: Solve for x
    x = 3,273,291,695.11/55,191.22
  6. Step 6: Final answer
    x = 59,308.20

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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.