Home / 118,669.07-163,735.79-70,246.61

Finding the Fourth Proportional to 118,669.07, 163,735.79 and 70,246.61

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Solution

The fourth proportional to 118,669.07, 163,735.79 and 70,246.61 is: 96,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.07 : 163,735.79 = 70,246.61 : x
  2. Step 2: Convert to fraction form
    118,669.07/163,735.79 = 70,246.61/x
  3. Step 3: Cross multiply
    118,669.07x = 163,735.79 × 70,246.61
  4. Step 4: Simplify right side
    118,669.07x = 11,501,884,466.57
  5. Step 5: Solve for x
    x = 11,501,884,466.57/118,669.07
  6. Step 6: Final answer
    x = 96,924.03

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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.