Home / 84,247.81-126,369.27-34,315.55

Finding the Fourth Proportional to 84,247.81, 126,369.27 and 34,315.55

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Solution

The fourth proportional to 84,247.81, 126,369.27 and 34,315.55 is: 51,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.81 : 126,369.27 = 34,315.55 : x
  2. Step 2: Convert to fraction form
    84,247.81/126,369.27 = 34,315.55/x
  3. Step 3: Cross multiply
    84,247.81x = 126,369.27 × 34,315.55
  4. Step 4: Simplify right side
    84,247.81x = 4,336,431,003.15
  5. Step 5: Solve for x
    x = 4,336,431,003.15/84,247.81
  6. Step 6: Final answer
    x = 51,472.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.