Home / 45,090.47-67,635.71-15,508.56

Finding the Fourth Proportional to 45,090.47, 67,635.71 and 15,508.56

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Solution

The fourth proportional to 45,090.47, 67,635.71 and 15,508.56 is: 23,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.47 : 67,635.71 = 15,508.56 : x
  2. Step 2: Convert to fraction form
    45,090.47/67,635.71 = 15,508.56/x
  3. Step 3: Cross multiply
    45,090.47x = 67,635.71 × 15,508.56
  4. Step 4: Simplify right side
    45,090.47x = 1,048,932,700.93
  5. Step 5: Solve for x
    x = 1,048,932,700.93/45,090.47
  6. Step 6: Final answer
    x = 23,262.85

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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.