Home / 44,719.48-67,077.22-13,128.28

Finding the Fourth Proportional to 44,719.48, 67,077.22 and 13,128.28

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Solution

The fourth proportional to 44,719.48, 67,077.22 and 13,128.28 is: 19,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,719.48 : 67,077.22 = 13,128.28 : x
  2. Step 2: Convert to fraction form
    44,719.48/67,077.22 = 13,128.28/x
  3. Step 3: Cross multiply
    44,719.48x = 67,077.22 × 13,128.28
  4. Step 4: Simplify right side
    44,719.48x = 880,608,525.78
  5. Step 5: Solve for x
    x = 880,608,525.78/44,719.48
  6. Step 6: Final answer
    x = 19,691.83

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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.