Home / 90,529.08-124,931.48-50,245.44

Finding the Fourth Proportional to 90,529.08, 124,931.48 and 50,245.44

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Solution

The fourth proportional to 90,529.08, 124,931.48 and 50,245.44 is: 69,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.08 : 124,931.48 = 50,245.44 : x
  2. Step 2: Convert to fraction form
    90,529.08/124,931.48 = 50,245.44/x
  3. Step 3: Cross multiply
    90,529.08x = 124,931.48 × 50,245.44
  4. Step 4: Simplify right side
    90,529.08x = 6,277,237,182.45
  5. Step 5: Solve for x
    x = 6,277,237,182.45/90,529.08
  6. Step 6: Final answer
    x = 69,339.46

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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.