Home / 99,271.71-148,932-49,375.44

Finding the Fourth Proportional to 99,271.71, 148,932 and 49,375.44

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Solution

The fourth proportional to 99,271.71, 148,932 and 49,375.44 is: 74,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271.71 : 148,932 = 49,375.44 : x
  2. Step 2: Convert to fraction form
    99,271.71/148,932 = 49,375.44/x
  3. Step 3: Cross multiply
    99,271.71x = 148,932 × 49,375.44
  4. Step 4: Simplify right side
    99,271.71x = 7,353,583,030.08
  5. Step 5: Solve for x
    x = 7,353,583,030.08/99,271.71
  6. Step 6: Final answer
    x = 74,075.31

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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.