Home / 84,540.27-126,835.10-37,782.21

Finding the Fourth Proportional to 84,540.27, 126,835.10 and 37,782.21

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Solution

The fourth proportional to 84,540.27, 126,835.10 and 37,782.21 is: 56,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540.27 : 126,835.10 = 37,782.21 : x
  2. Step 2: Convert to fraction form
    84,540.27/126,835.10 = 37,782.21/x
  3. Step 3: Cross multiply
    84,540.27x = 126,835.10 × 37,782.21
  4. Step 4: Simplify right side
    84,540.27x = 4,792,110,194.66
  5. Step 5: Solve for x
    x = 4,792,110,194.66/84,540.27
  6. Step 6: Final answer
    x = 56,684.35

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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.