Home / 120,477.46-180,714.89-49,384.25

Finding the Fourth Proportional to 120,477.46, 180,714.89 and 49,384.25

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Solution

The fourth proportional to 120,477.46, 180,714.89 and 49,384.25 is: 74,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,477.46 : 180,714.89 = 49,384.25 : x
  2. Step 2: Convert to fraction form
    120,477.46/180,714.89 = 49,384.25/x
  3. Step 3: Cross multiply
    120,477.46x = 180,714.89 × 49,384.25
  4. Step 4: Simplify right side
    120,477.46x = 8,924,469,306.48
  5. Step 5: Solve for x
    x = 8,924,469,306.48/120,477.46
  6. Step 6: Final answer
    x = 74,075.84

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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.