Home / 78,021.41-107,669.49-44,037.05

Finding the Fourth Proportional to 78,021.41, 107,669.49 and 44,037.05

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Solution

The fourth proportional to 78,021.41, 107,669.49 and 44,037.05 is: 60,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,021.41 : 107,669.49 = 44,037.05 : x
  2. Step 2: Convert to fraction form
    78,021.41/107,669.49 = 44,037.05/x
  3. Step 3: Cross multiply
    78,021.41x = 107,669.49 × 44,037.05
  4. Step 4: Simplify right side
    78,021.41x = 4,741,446,714.60
  5. Step 5: Solve for x
    x = 4,741,446,714.60/78,021.41
  6. Step 6: Final answer
    x = 60,771.10

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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.