Home / 93,616.50-129,190.77-51,175.34

Finding the Fourth Proportional to 93,616.50, 129,190.77 and 51,175.34

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Solution

The fourth proportional to 93,616.50, 129,190.77 and 51,175.34 is: 70,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,616.50 : 129,190.77 = 51,175.34 : x
  2. Step 2: Convert to fraction form
    93,616.50/129,190.77 = 51,175.34/x
  3. Step 3: Cross multiply
    93,616.50x = 129,190.77 × 51,175.34
  4. Step 4: Simplify right side
    93,616.50x = 6,611,380,933.66
  5. Step 5: Solve for x
    x = 6,611,380,933.66/93,616.50
  6. Step 6: Final answer
    x = 70,621.96

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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.