Home / 95,156.96-142,822-42,556.64

Finding the Fourth Proportional to 95,156.96, 142,822 and 42,556.64

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Solution

The fourth proportional to 95,156.96, 142,822 and 42,556.64 is: 63,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,156.96 : 142,822 = 42,556.64 : x
  2. Step 2: Convert to fraction form
    95,156.96/142,822 = 42,556.64/x
  3. Step 3: Cross multiply
    95,156.96x = 142,822 × 42,556.64
  4. Step 4: Simplify right side
    95,156.96x = 6,078,024,438.08
  5. Step 5: Solve for x
    x = 6,078,024,438.08/95,156.96
  6. Step 6: Final answer
    x = 63,873.67

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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.