Home / 51,183.90-76,783.95-17,903.16

Finding the Fourth Proportional to 51,183.90, 76,783.95 and 17,903.16

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Solution

The fourth proportional to 51,183.90, 76,783.95 and 17,903.16 is: 26,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.90 : 76,783.95 = 17,903.16 : x
  2. Step 2: Convert to fraction form
    51,183.90/76,783.95 = 17,903.16/x
  3. Step 3: Cross multiply
    51,183.90x = 76,783.95 × 17,903.16
  4. Step 4: Simplify right side
    51,183.90x = 1,374,675,342.28
  5. Step 5: Solve for x
    x = 1,374,675,342.28/51,183.90
  6. Step 6: Final answer
    x = 26,857.57

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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.