Home / 93,923.43-129,619.64-55,705.61

Finding the Fourth Proportional to 93,923.43, 129,619.64 and 55,705.61

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Solution

The fourth proportional to 93,923.43, 129,619.64 and 55,705.61 is: 76,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,923.43 : 129,619.64 = 55,705.61 : x
  2. Step 2: Convert to fraction form
    93,923.43/129,619.64 = 55,705.61/x
  3. Step 3: Cross multiply
    93,923.43x = 129,619.64 × 55,705.61
  4. Step 4: Simplify right side
    93,923.43x = 7,220,540,187.55
  5. Step 5: Solve for x
    x = 7,220,540,187.55/93,923.43
  6. Step 6: Final answer
    x = 76,876.88

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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.