Home / 99,412.62-149,075.19-52,654.56

Finding the Fourth Proportional to 99,412.62, 149,075.19 and 52,654.56

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Solution

The fourth proportional to 99,412.62, 149,075.19 and 52,654.56 is: 78,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,412.62 : 149,075.19 = 52,654.56 : x
  2. Step 2: Convert to fraction form
    99,412.62/149,075.19 = 52,654.56/x
  3. Step 3: Cross multiply
    99,412.62x = 149,075.19 × 52,654.56
  4. Step 4: Simplify right side
    99,412.62x = 7,849,488,536.37
  5. Step 5: Solve for x
    x = 7,849,488,536.37/99,412.62
  6. Step 6: Final answer
    x = 78,958.67

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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.