Home / 93,418.40-128,917.12-50,976.96

Finding the Fourth Proportional to 93,418.40, 128,917.12 and 50,976.96

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Solution

The fourth proportional to 93,418.40, 128,917.12 and 50,976.96 is: 70,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418.40 : 128,917.12 = 50,976.96 : x
  2. Step 2: Convert to fraction form
    93,418.40/128,917.12 = 50,976.96/x
  3. Step 3: Cross multiply
    93,418.40x = 128,917.12 × 50,976.96
  4. Step 4: Simplify right side
    93,418.40x = 6,571,802,869.56
  5. Step 5: Solve for x
    x = 6,571,802,869.56/93,418.40
  6. Step 6: Final answer
    x = 70,348.06

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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.