Home / 99,280.56-148,994.67-40,116.74

Finding the Fourth Proportional to 99,280.56, 148,994.67 and 40,116.74

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Solution

The fourth proportional to 99,280.56, 148,994.67 and 40,116.74 is: 60,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.56 : 148,994.67 = 40,116.74 : x
  2. Step 2: Convert to fraction form
    99,280.56/148,994.67 = 40,116.74/x
  3. Step 3: Cross multiply
    99,280.56x = 148,994.67 × 40,116.74
  4. Step 4: Simplify right side
    99,280.56x = 5,977,179,692.80
  5. Step 5: Solve for x
    x = 5,977,179,692.80/99,280.56
  6. Step 6: Final answer
    x = 60,204.94

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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.