Home / 82,131.23-113,341.26-44,405.48

Finding the Fourth Proportional to 82,131.23, 113,341.26 and 44,405.48

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Solution

The fourth proportional to 82,131.23, 113,341.26 and 44,405.48 is: 61,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,131.23 : 113,341.26 = 44,405.48 : x
  2. Step 2: Convert to fraction form
    82,131.23/113,341.26 = 44,405.48/x
  3. Step 3: Cross multiply
    82,131.23x = 113,341.26 × 44,405.48
  4. Step 4: Simplify right side
    82,131.23x = 5,032,973,503.98
  5. Step 5: Solve for x
    x = 5,032,973,503.98/82,131.23
  6. Step 6: Final answer
    x = 61,279.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.