Home / 75,461.64-113,193.54-28,717.08

Finding the Fourth Proportional to 75,461.64, 113,193.54 and 28,717.08

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Solution

The fourth proportional to 75,461.64, 113,193.54 and 28,717.08 is: 43,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.64 : 113,193.54 = 28,717.08 : x
  2. Step 2: Convert to fraction form
    75,461.64/113,193.54 = 28,717.08/x
  3. Step 3: Cross multiply
    75,461.64x = 113,193.54 × 28,717.08
  4. Step 4: Simplify right side
    75,461.64x = 3,250,587,943.66
  5. Step 5: Solve for x
    x = 3,250,587,943.66/75,461.64
  6. Step 6: Final answer
    x = 43,076.03

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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.