Home / 79,132.36-118,698.54-67,370.44

Finding the Fourth Proportional to 79,132.36, 118,698.54 and 67,370.44

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Solution

The fourth proportional to 79,132.36, 118,698.54 and 67,370.44 is: 101,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.36 : 118,698.54 = 67,370.44 : x
  2. Step 2: Convert to fraction form
    79,132.36/118,698.54 = 67,370.44/x
  3. Step 3: Cross multiply
    79,132.36x = 118,698.54 × 67,370.44
  4. Step 4: Simplify right side
    79,132.36x = 7,996,772,867.16
  5. Step 5: Solve for x
    x = 7,996,772,867.16/79,132.36
  6. Step 6: Final answer
    x = 101,055.66

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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.