Home / 90,608.75-125,036.61-50,325.08

Finding the Fourth Proportional to 90,608.75, 125,036.61 and 50,325.08

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Solution

The fourth proportional to 90,608.75, 125,036.61 and 50,325.08 is: 69,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.75 : 125,036.61 = 50,325.08 : x
  2. Step 2: Convert to fraction form
    90,608.75/125,036.61 = 50,325.08/x
  3. Step 3: Cross multiply
    90,608.75x = 125,036.61 × 50,325.08
  4. Step 4: Simplify right side
    90,608.75x = 6,292,476,776.00
  5. Step 5: Solve for x
    x = 6,292,476,776.00/90,608.75
  6. Step 6: Final answer
    x = 69,446.68

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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.