Home / 81,617.87-122,427.57-24,692.22

Finding the Fourth Proportional to 81,617.87, 122,427.57 and 24,692.22

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Solution

The fourth proportional to 81,617.87, 122,427.57 and 24,692.22 is: 37,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,617.87 : 122,427.57 = 24,692.22 : x
  2. Step 2: Convert to fraction form
    81,617.87/122,427.57 = 24,692.22/x
  3. Step 3: Cross multiply
    81,617.87x = 122,427.57 × 24,692.22
  4. Step 4: Simplify right side
    81,617.87x = 3,023,008,492.51
  5. Step 5: Solve for x
    x = 3,023,008,492.51/81,617.87
  6. Step 6: Final answer
    x = 37,038.56

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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.