Home / 104,745.15-144,548.34-56,997.47

Finding the Fourth Proportional to 104,745.15, 144,548.34 and 56,997.47

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Solution

The fourth proportional to 104,745.15, 144,548.34 and 56,997.47 is: 78,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.15 : 144,548.34 = 56,997.47 : x
  2. Step 2: Convert to fraction form
    104,745.15/144,548.34 = 56,997.47/x
  3. Step 3: Cross multiply
    104,745.15x = 144,548.34 × 56,997.47
  4. Step 4: Simplify right side
    104,745.15x = 8,238,889,672.70
  5. Step 5: Solve for x
    x = 8,238,889,672.70/104,745.15
  6. Step 6: Final answer
    x = 78,656.53

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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.