Home / 62,529.45-93,784.32-20,409.32

Finding the Fourth Proportional to 62,529.45, 93,784.32 and 20,409.32

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Solution

The fourth proportional to 62,529.45, 93,784.32 and 20,409.32 is: 30,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,529.45 : 93,784.32 = 20,409.32 : x
  2. Step 2: Convert to fraction form
    62,529.45/93,784.32 = 20,409.32/x
  3. Step 3: Cross multiply
    62,529.45x = 93,784.32 × 20,409.32
  4. Step 4: Simplify right side
    62,529.45x = 1,914,073,728.94
  5. Step 5: Solve for x
    x = 1,914,073,728.94/62,529.45
  6. Step 6: Final answer
    x = 30,610.76

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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.