Home / 74,267.22-111,404.61-21,680.67

Finding the Fourth Proportional to 74,267.22, 111,404.61 and 21,680.67

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Solution

The fourth proportional to 74,267.22, 111,404.61 and 21,680.67 is: 32,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,267.22 : 111,404.61 = 21,680.67 : x
  2. Step 2: Convert to fraction form
    74,267.22/111,404.61 = 21,680.67/x
  3. Step 3: Cross multiply
    74,267.22x = 111,404.61 × 21,680.67
  4. Step 4: Simplify right side
    74,267.22x = 2,415,326,585.89
  5. Step 5: Solve for x
    x = 2,415,326,585.89/74,267.22
  6. Step 6: Final answer
    x = 32,522.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.