Home / 79,173.41-118,777.40-26,581.51

Finding the Fourth Proportional to 79,173.41, 118,777.40 and 26,581.51

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Solution

The fourth proportional to 79,173.41, 118,777.40 and 26,581.51 is: 39,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173.41 : 118,777.40 = 26,581.51 : x
  2. Step 2: Convert to fraction form
    79,173.41/118,777.40 = 26,581.51/x
  3. Step 3: Cross multiply
    79,173.41x = 118,777.40 × 26,581.51
  4. Step 4: Simplify right side
    79,173.41x = 3,157,281,919.08
  5. Step 5: Solve for x
    x = 3,157,281,919.08/79,173.41
  6. Step 6: Final answer
    x = 39,878.06

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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.