Home / 104,076.50-143,625.30-56,329.85

Finding the Fourth Proportional to 104,076.50, 143,625.30 and 56,329.85

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Solution

The fourth proportional to 104,076.50, 143,625.30 and 56,329.85 is: 77,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,076.50 : 143,625.30 = 56,329.85 : x
  2. Step 2: Convert to fraction form
    104,076.50/143,625.30 = 56,329.85/x
  3. Step 3: Cross multiply
    104,076.50x = 143,625.30 × 56,329.85
  4. Step 4: Simplify right side
    104,076.50x = 8,090,391,605.21
  5. Step 5: Solve for x
    x = 8,090,391,605.21/104,076.50
  6. Step 6: Final answer
    x = 77,735.05

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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.