Home / 79,529.19-109,748.10-43,719.23

Finding the Fourth Proportional to 79,529.19, 109,748.10 and 43,719.23

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Solution

The fourth proportional to 79,529.19, 109,748.10 and 43,719.23 is: 60,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.19 : 109,748.10 = 43,719.23 : x
  2. Step 2: Convert to fraction form
    79,529.19/109,748.10 = 43,719.23/x
  3. Step 3: Cross multiply
    79,529.19x = 109,748.10 × 43,719.23
  4. Step 4: Simplify right side
    79,529.19x = 4,798,102,207.37
  5. Step 5: Solve for x
    x = 4,798,102,207.37/79,529.19
  6. Step 6: Final answer
    x = 60,331.34

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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.