Home / 93,289.86-128,738.70-50,848.56

Finding the Fourth Proportional to 93,289.86, 128,738.70 and 50,848.56

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Solution

The fourth proportional to 93,289.86, 128,738.70 and 50,848.56 is: 70,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.86 : 128,738.70 = 50,848.56 : x
  2. Step 2: Convert to fraction form
    93,289.86/128,738.70 = 50,848.56/x
  3. Step 3: Cross multiply
    93,289.86x = 128,738.70 × 50,848.56
  4. Step 4: Simplify right side
    93,289.86x = 6,546,177,511.27
  5. Step 5: Solve for x
    x = 6,546,177,511.27/93,289.86
  6. Step 6: Final answer
    x = 70,170.30

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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.