Home / 79,013.21-109,042.27-43,202.84

Finding the Fourth Proportional to 79,013.21, 109,042.27 and 43,202.84

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Solution

The fourth proportional to 79,013.21, 109,042.27 and 43,202.84 is: 59,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.21 : 109,042.27 = 43,202.84 : x
  2. Step 2: Convert to fraction form
    79,013.21/109,042.27 = 43,202.84/x
  3. Step 3: Cross multiply
    79,013.21x = 109,042.27 × 43,202.84
  4. Step 4: Simplify right side
    79,013.21x = 4,710,935,090.83
  5. Step 5: Solve for x
    x = 4,710,935,090.83/79,013.21
  6. Step 6: Final answer
    x = 59,622.12

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1.5x scale

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.