Home / 45,090.56-67,635.16-15,508.65

Finding the Fourth Proportional to 45,090.56, 67,635.16 and 15,508.65

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Solution

The fourth proportional to 45,090.56, 67,635.16 and 15,508.65 is: 23,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.56 : 67,635.16 = 15,508.65 : x
  2. Step 2: Convert to fraction form
    45,090.56/67,635.16 = 15,508.65/x
  3. Step 3: Cross multiply
    45,090.56x = 67,635.16 × 15,508.65
  4. Step 4: Simplify right side
    45,090.56x = 1,048,930,024.13
  5. Step 5: Solve for x
    x = 1,048,930,024.13/45,090.56
  6. Step 6: Final answer
    x = 23,262.74

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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.