Home / 90,653.41-125,101.84-50,367.21

Finding the Fourth Proportional to 90,653.41, 125,101.84 and 50,367.21

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Solution

The fourth proportional to 90,653.41, 125,101.84 and 50,367.21 is: 69,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,653.41 : 125,101.84 = 50,367.21 : x
  2. Step 2: Convert to fraction form
    90,653.41/125,101.84 = 50,367.21/x
  3. Step 3: Cross multiply
    90,653.41x = 125,101.84 × 50,367.21
  4. Step 4: Simplify right side
    90,653.41x = 6,301,030,646.67
  5. Step 5: Solve for x
    x = 6,301,030,646.67/90,653.41
  6. Step 6: Final answer
    x = 69,506.82

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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.