Home / 57,015.68-78,675.54-33,137.36

Finding the Fourth Proportional to 57,015.68, 78,675.54 and 33,137.36

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Solution

The fourth proportional to 57,015.68, 78,675.54 and 33,137.36 is: 45,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.68 : 78,675.54 = 33,137.36 : x
  2. Step 2: Convert to fraction form
    57,015.68/78,675.54 = 33,137.36/x
  3. Step 3: Cross multiply
    57,015.68x = 78,675.54 × 33,137.36
  4. Step 4: Simplify right side
    57,015.68x = 2,607,099,692.17
  5. Step 5: Solve for x
    x = 2,607,099,692.17/57,015.68
  6. Step 6: Final answer
    x = 45,726.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.