Home / 79,556.07-109,787.40-43,748.51

Finding the Fourth Proportional to 79,556.07, 109,787.40 and 43,748.51

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Solution

The fourth proportional to 79,556.07, 109,787.40 and 43,748.51 is: 60,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,556.07 : 109,787.40 = 43,748.51 : x
  2. Step 2: Convert to fraction form
    79,556.07/109,787.40 = 43,748.51/x
  3. Step 3: Cross multiply
    79,556.07x = 109,787.40 × 43,748.51
  4. Step 4: Simplify right side
    79,556.07x = 4,803,034,617.84
  5. Step 5: Solve for x
    x = 4,803,034,617.84/79,556.07
  6. Step 6: Final answer
    x = 60,372.95

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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.