Home / 104,653.37-144,420.90-56,906.75

Finding the Fourth Proportional to 104,653.37, 144,420.90 and 56,906.75

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Solution

The fourth proportional to 104,653.37, 144,420.90 and 56,906.75 is: 78,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,653.37 : 144,420.90 = 56,906.75 : x
  2. Step 2: Convert to fraction form
    104,653.37/144,420.90 = 56,906.75/x
  3. Step 3: Cross multiply
    104,653.37x = 144,420.90 × 56,906.75
  4. Step 4: Simplify right side
    104,653.37x = 8,218,523,328.97
  5. Step 5: Solve for x
    x = 8,218,523,328.97/104,653.37
  6. Step 6: Final answer
    x = 78,530.90

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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.