Home / 90,527.08-124,928.72-50,243.44

Finding the Fourth Proportional to 90,527.08, 124,928.72 and 50,243.44

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Solution

The fourth proportional to 90,527.08, 124,928.72 and 50,243.44 is: 69,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.08 : 124,928.72 = 50,243.44 : x
  2. Step 2: Convert to fraction form
    90,527.08/124,928.72 = 50,243.44/x
  3. Step 3: Cross multiply
    90,527.08x = 124,928.72 × 50,243.44
  4. Step 4: Simplify right side
    90,527.08x = 6,276,848,647.60
  5. Step 5: Solve for x
    x = 6,276,848,647.60/90,527.08
  6. Step 6: Final answer
    x = 69,336.70

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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.