Home / 40,762.87-61,140.21-11,183.68

Finding the Fourth Proportional to 40,762.87, 61,140.21 and 11,183.68

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Solution

The fourth proportional to 40,762.87, 61,140.21 and 11,183.68 is: 16,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.87 : 61,140.21 = 11,183.68 : x
  2. Step 2: Convert to fraction form
    40,762.87/61,140.21 = 11,183.68/x
  3. Step 3: Cross multiply
    40,762.87x = 61,140.21 × 11,183.68
  4. Step 4: Simplify right side
    40,762.87x = 683,772,543.77
  5. Step 5: Solve for x
    x = 683,772,543.77/40,762.87
  6. Step 6: Final answer
    x = 16,774.40

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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.