Home / 79,316.06-109,433.97-51,038.15

Finding the Fourth Proportional to 79,316.06, 109,433.97 and 51,038.15

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Solution

The fourth proportional to 79,316.06, 109,433.97 and 51,038.15 is: 70,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.06 : 109,433.97 = 51,038.15 : x
  2. Step 2: Convert to fraction form
    79,316.06/109,433.97 = 51,038.15/x
  3. Step 3: Cross multiply
    79,316.06x = 109,433.97 × 51,038.15
  4. Step 4: Simplify right side
    79,316.06x = 5,585,306,828.79
  5. Step 5: Solve for x
    x = 5,585,306,828.79/79,316.06
  6. Step 6: Final answer
    x = 70,418.36

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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.