Home / 90,673.88-125,185.70-58,464.13

Finding the Fourth Proportional to 90,673.88, 125,185.70 and 58,464.13

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Solution

The fourth proportional to 90,673.88, 125,185.70 and 58,464.13 is: 80,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,673.88 : 125,185.70 = 58,464.13 : x
  2. Step 2: Convert to fraction form
    90,673.88/125,185.70 = 58,464.13/x
  3. Step 3: Cross multiply
    90,673.88x = 125,185.70 × 58,464.13
  4. Step 4: Simplify right side
    90,673.88x = 7,318,873,106.86
  5. Step 5: Solve for x
    x = 7,318,873,106.86/90,673.88
  6. Step 6: Final answer
    x = 80,716.44

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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.