Home / 44,189.78-66,285.05-12,599.78

Finding the Fourth Proportional to 44,189.78, 66,285.05 and 12,599.78

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Solution

The fourth proportional to 44,189.78, 66,285.05 and 12,599.78 is: 18,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,189.78 : 66,285.05 = 12,599.78 : x
  2. Step 2: Convert to fraction form
    44,189.78/66,285.05 = 12,599.78/x
  3. Step 3: Cross multiply
    44,189.78x = 66,285.05 × 12,599.78
  4. Step 4: Simplify right side
    44,189.78x = 835,177,047.29
  5. Step 5: Solve for x
    x = 835,177,047.29/44,189.78
  6. Step 6: Final answer
    x = 18,899.78

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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.