Home / 109,749.98-164,616.77-39,629.30

Finding the Fourth Proportional to 109,749.98, 164,616.77 and 39,629.30

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Solution

The fourth proportional to 109,749.98, 164,616.77 and 39,629.30 is: 59,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749.98 : 164,616.77 = 39,629.30 : x
  2. Step 2: Convert to fraction form
    109,749.98/164,616.77 = 39,629.30/x
  3. Step 3: Cross multiply
    109,749.98x = 164,616.77 × 39,629.30
  4. Step 4: Simplify right side
    109,749.98x = 6,523,646,639.35
  5. Step 5: Solve for x
    x = 6,523,646,639.35/109,749.98
  6. Step 6: Final answer
    x = 59,440.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.