Home / 90,586.14-125,008.20-50,300.04

Finding the Fourth Proportional to 90,586.14, 125,008.20 and 50,300.04

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Solution

The fourth proportional to 90,586.14, 125,008.20 and 50,300.04 is: 69,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.14 : 125,008.20 = 50,300.04 : x
  2. Step 2: Convert to fraction form
    90,586.14/125,008.20 = 50,300.04/x
  3. Step 3: Cross multiply
    90,586.14x = 125,008.20 × 50,300.04
  4. Step 4: Simplify right side
    90,586.14x = 6,287,917,460.33
  5. Step 5: Solve for x
    x = 6,287,917,460.33/90,586.14
  6. Step 6: Final answer
    x = 69,413.68

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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.