Home / 75,210.12-103,790.58-41,676.68

Finding the Fourth Proportional to 75,210.12, 103,790.58 and 41,676.68

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Solution

The fourth proportional to 75,210.12, 103,790.58 and 41,676.68 is: 57,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,210.12 : 103,790.58 = 41,676.68 : x
  2. Step 2: Convert to fraction form
    75,210.12/103,790.58 = 41,676.68/x
  3. Step 3: Cross multiply
    75,210.12x = 103,790.58 × 41,676.68
  4. Step 4: Simplify right side
    75,210.12x = 4,325,646,789.67
  5. Step 5: Solve for x
    x = 4,325,646,789.67/75,210.12
  6. Step 6: Final answer
    x = 57,514.16

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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.