Home / 51,183.99-76,673.61-40,038.18

Finding the Fourth Proportional to 51,183.99, 76,673.61 and 40,038.18

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Solution

The fourth proportional to 51,183.99, 76,673.61 and 40,038.18 is: 59,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.99 : 76,673.61 = 40,038.18 : x
  2. Step 2: Convert to fraction form
    51,183.99/76,673.61 = 40,038.18/x
  3. Step 3: Cross multiply
    51,183.99x = 76,673.61 × 40,038.18
  4. Step 4: Simplify right side
    51,183.99x = 3,069,871,798.43
  5. Step 5: Solve for x
    x = 3,069,871,798.43/51,183.99
  6. Step 6: Final answer
    x = 59,977.19

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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.