Home / 90,801.14-125,307.25-50,518.65

Finding the Fourth Proportional to 90,801.14, 125,307.25 and 50,518.65

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Solution

The fourth proportional to 90,801.14, 125,307.25 and 50,518.65 is: 69,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.14 : 125,307.25 = 50,518.65 : x
  2. Step 2: Convert to fraction form
    90,801.14/125,307.25 = 50,518.65/x
  3. Step 3: Cross multiply
    90,801.14x = 125,307.25 × 50,518.65
  4. Step 4: Simplify right side
    90,801.14x = 6,330,353,105.21
  5. Step 5: Solve for x
    x = 6,330,353,105.21/90,801.14
  6. Step 6: Final answer
    x = 69,716.67

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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.