Home / 104,706.45-144,493.20-56,961

Finding the Fourth Proportional to 104,706.45, 144,493.20 and 56,961

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Solution

The fourth proportional to 104,706.45, 144,493.20 and 56,961 is: 78,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,706.45 : 144,493.20 = 56,961 : x
  2. Step 2: Convert to fraction form
    104,706.45/144,493.20 = 56,961/x
  3. Step 3: Cross multiply
    104,706.45x = 144,493.20 × 56,961
  4. Step 4: Simplify right side
    104,706.45x = 8,230,477,165.20
  5. Step 5: Solve for x
    x = 8,230,477,165.20/104,706.45
  6. Step 6: Final answer
    x = 78,605.25

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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.