Home / 90,632.15-125,072.30-50,349.67

Finding the Fourth Proportional to 90,632.15, 125,072.30 and 50,349.67

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Solution

The fourth proportional to 90,632.15, 125,072.30 and 50,349.67 is: 69,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,632.15 : 125,072.30 = 50,349.67 : x
  2. Step 2: Convert to fraction form
    90,632.15/125,072.30 = 50,349.67/x
  3. Step 3: Cross multiply
    90,632.15x = 125,072.30 × 50,349.67
  4. Step 4: Simplify right side
    90,632.15x = 6,297,348,844.33
  5. Step 5: Solve for x
    x = 6,297,348,844.33/90,632.15
  6. Step 6: Final answer
    x = 69,482.51

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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.