Home / 118,808.44-163,915.28-67,784.51

Finding the Fourth Proportional to 118,808.44, 163,915.28 and 67,784.51

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Solution

The fourth proportional to 118,808.44, 163,915.28 and 67,784.51 is: 93,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,808.44 : 163,915.28 = 67,784.51 : x
  2. Step 2: Convert to fraction form
    118,808.44/163,915.28 = 67,784.51/x
  3. Step 3: Cross multiply
    118,808.44x = 163,915.28 × 67,784.51
  4. Step 4: Simplify right side
    118,808.44x = 11,110,917,261.37
  5. Step 5: Solve for x
    x = 11,110,917,261.37/118,808.44
  6. Step 6: Final answer
    x = 93,519.60

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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.