Home / 59,518.21-82,138.77-39,340.11

Finding the Fourth Proportional to 59,518.21, 82,138.77 and 39,340.11

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Solution

The fourth proportional to 59,518.21, 82,138.77 and 39,340.11 is: 54,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,518.21 : 82,138.77 = 39,340.11 : x
  2. Step 2: Convert to fraction form
    59,518.21/82,138.77 = 39,340.11/x
  3. Step 3: Cross multiply
    59,518.21x = 82,138.77 × 39,340.11
  4. Step 4: Simplify right side
    59,518.21x = 3,231,348,247.06
  5. Step 5: Solve for x
    x = 3,231,348,247.06/59,518.21
  6. Step 6: Final answer
    x = 54,291.76

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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.