Home / 90,847.73-125,368.62-50,561.50

Finding the Fourth Proportional to 90,847.73, 125,368.62 and 50,561.50

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Solution

The fourth proportional to 90,847.73, 125,368.62 and 50,561.50 is: 69,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847.73 : 125,368.62 = 50,561.50 : x
  2. Step 2: Convert to fraction form
    90,847.73/125,368.62 = 50,561.50/x
  3. Step 3: Cross multiply
    90,847.73x = 125,368.62 × 50,561.50
  4. Step 4: Simplify right side
    90,847.73x = 6,338,825,480.13
  5. Step 5: Solve for x
    x = 6,338,825,480.13/90,847.73
  6. Step 6: Final answer
    x = 69,774.18

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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.