Home / 74,461.62-111,692.20-30,087.85

Finding the Fourth Proportional to 74,461.62, 111,692.20 and 30,087.85

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Solution

The fourth proportional to 74,461.62, 111,692.20 and 30,087.85 is: 45,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,461.62 : 111,692.20 = 30,087.85 : x
  2. Step 2: Convert to fraction form
    74,461.62/111,692.20 = 30,087.85/x
  3. Step 3: Cross multiply
    74,461.62x = 111,692.20 × 30,087.85
  4. Step 4: Simplify right side
    74,461.62x = 3,360,578,159.77
  5. Step 5: Solve for x
    x = 3,360,578,159.77/74,461.62
  6. Step 6: Final answer
    x = 45,131.68

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1.5x scale

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.