Home / 45,093.68-67,638.58-11,813.01

Finding the Fourth Proportional to 45,093.68, 67,638.58 and 11,813.01

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Solution

The fourth proportional to 45,093.68, 67,638.58 and 11,813.01 is: 17,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,093.68 : 67,638.58 = 11,813.01 : x
  2. Step 2: Convert to fraction form
    45,093.68/67,638.58 = 11,813.01/x
  3. Step 3: Cross multiply
    45,093.68x = 67,638.58 × 11,813.01
  4. Step 4: Simplify right side
    45,093.68x = 799,014,938.75
  5. Step 5: Solve for x
    x = 799,014,938.75/45,093.68
  6. Step 6: Final answer
    x = 17,719.00

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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.