Home / 40,071.78-60,113.14-16,692.75

Finding the Fourth Proportional to 40,071.78, 60,113.14 and 16,692.75

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Solution

The fourth proportional to 40,071.78, 60,113.14 and 16,692.75 is: 25,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.78 : 60,113.14 = 16,692.75 : x
  2. Step 2: Convert to fraction form
    40,071.78/60,113.14 = 16,692.75/x
  3. Step 3: Cross multiply
    40,071.78x = 60,113.14 × 16,692.75
  4. Step 4: Simplify right side
    40,071.78x = 1,003,453,617.74
  5. Step 5: Solve for x
    x = 1,003,453,617.74/40,071.78
  6. Step 6: Final answer
    x = 25,041.40

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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.