Home / 79,134.84-109,206.40-43,328.18

Finding the Fourth Proportional to 79,134.84, 109,206.40 and 43,328.18

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Solution

The fourth proportional to 79,134.84, 109,206.40 and 43,328.18 is: 59,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.84 : 109,206.40 = 43,328.18 : x
  2. Step 2: Convert to fraction form
    79,134.84/109,206.40 = 43,328.18/x
  3. Step 3: Cross multiply
    79,134.84x = 109,206.40 × 43,328.18
  4. Step 4: Simplify right side
    79,134.84x = 4,731,714,721.05
  5. Step 5: Solve for x
    x = 4,731,714,721.05/79,134.84
  6. Step 6: Final answer
    x = 59,793.07

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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.