Home / 104,500.32-144,211.50-56,754.60

Finding the Fourth Proportional to 104,500.32, 144,211.50 and 56,754.60

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Solution

The fourth proportional to 104,500.32, 144,211.50 and 56,754.60 is: 78,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,500.32 : 144,211.50 = 56,754.60 : x
  2. Step 2: Convert to fraction form
    104,500.32/144,211.50 = 56,754.60/x
  3. Step 3: Cross multiply
    104,500.32x = 144,211.50 × 56,754.60
  4. Step 4: Simplify right side
    104,500.32x = 8,184,665,997.90
  5. Step 5: Solve for x
    x = 8,184,665,997.90/104,500.32
  6. Step 6: Final answer
    x = 78,321.92

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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.