Home / 102,770.55-154,050.31-52,075.89

Finding the Fourth Proportional to 102,770.55, 154,050.31 and 52,075.89

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Solution

The fourth proportional to 102,770.55, 154,050.31 and 52,075.89 is: 78,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,770.55 : 154,050.31 = 52,075.89 : x
  2. Step 2: Convert to fraction form
    102,770.55/154,050.31 = 52,075.89/x
  3. Step 3: Cross multiply
    102,770.55x = 154,050.31 × 52,075.89
  4. Step 4: Simplify right side
    102,770.55x = 8,022,306,336.93
  5. Step 5: Solve for x
    x = 8,022,306,336.93/102,770.55
  6. Step 6: Final answer
    x = 78,060.36

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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.