Home / 104,780.70-157,172.50-29,900.84

Finding the Fourth Proportional to 104,780.70, 157,172.50 and 29,900.84

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Solution

The fourth proportional to 104,780.70, 157,172.50 and 29,900.84 is: 44,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.70 : 157,172.50 = 29,900.84 : x
  2. Step 2: Convert to fraction form
    104,780.70/157,172.50 = 29,900.84/x
  3. Step 3: Cross multiply
    104,780.70x = 157,172.50 × 29,900.84
  4. Step 4: Simplify right side
    104,780.70x = 4,699,589,774.90
  5. Step 5: Solve for x
    x = 4,699,589,774.90/104,780.70
  6. Step 6: Final answer
    x = 44,851.67

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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.