Home / 118,814.63-163,923.18-67,790.54

Finding the Fourth Proportional to 118,814.63, 163,923.18 and 67,790.54

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Solution

The fourth proportional to 118,814.63, 163,923.18 and 67,790.54 is: 93,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,814.63 : 163,923.18 = 67,790.54 : x
  2. Step 2: Convert to fraction form
    118,814.63/163,923.18 = 67,790.54/x
  3. Step 3: Cross multiply
    118,814.63x = 163,923.18 × 67,790.54
  4. Step 4: Simplify right side
    118,814.63x = 11,112,440,071.10
  5. Step 5: Solve for x
    x = 11,112,440,071.10/118,814.63
  6. Step 6: Final answer
    x = 93,527.54

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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.