Home / 79,324.36-109,541.70-51,079.72

Finding the Fourth Proportional to 79,324.36, 109,541.70 and 51,079.72

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Solution

The fourth proportional to 79,324.36, 109,541.70 and 51,079.72 is: 70,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.36 : 109,541.70 = 51,079.72 : x
  2. Step 2: Convert to fraction form
    79,324.36/109,541.70 = 51,079.72/x
  3. Step 3: Cross multiply
    79,324.36x = 109,541.70 × 51,079.72
  4. Step 4: Simplify right side
    79,324.36x = 5,595,359,364.32
  5. Step 5: Solve for x
    x = 5,595,359,364.32/79,324.36
  6. Step 6: Final answer
    x = 70,537.72

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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.