Home / 46,139.60-69,166.20-36,138.80

Finding the Fourth Proportional to 46,139.60, 69,166.20 and 36,138.80

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Solution

The fourth proportional to 46,139.60, 69,166.20 and 36,138.80 is: 54,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,139.60 : 69,166.20 = 36,138.80 : x
  2. Step 2: Convert to fraction form
    46,139.60/69,166.20 = 36,138.80/x
  3. Step 3: Cross multiply
    46,139.60x = 69,166.20 × 36,138.80
  4. Step 4: Simplify right side
    46,139.60x = 2,499,583,468.56
  5. Step 5: Solve for x
    x = 2,499,583,468.56/46,139.60
  6. Step 6: Final answer
    x = 54,174.36

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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.