Home / 90,066.22-124,297.82-49,779.11

Finding the Fourth Proportional to 90,066.22, 124,297.82 and 49,779.11

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Solution

The fourth proportional to 90,066.22, 124,297.82 and 49,779.11 is: 68,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.22 : 124,297.82 = 49,779.11 : x
  2. Step 2: Convert to fraction form
    90,066.22/124,297.82 = 49,779.11/x
  3. Step 3: Cross multiply
    90,066.22x = 124,297.82 × 49,779.11
  4. Step 4: Simplify right side
    90,066.22x = 6,187,434,854.54
  5. Step 5: Solve for x
    x = 6,187,434,854.54/90,066.22
  6. Step 6: Final answer
    x = 68,698.73

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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.