Home / 53,467.75-73,785.50-31,111.75

Finding the Fourth Proportional to 53,467.75, 73,785.50 and 31,111.75

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Solution

The fourth proportional to 53,467.75, 73,785.50 and 31,111.75 is: 42,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467.75 : 73,785.50 = 31,111.75 : x
  2. Step 2: Convert to fraction form
    53,467.75/73,785.50 = 31,111.75/x
  3. Step 3: Cross multiply
    53,467.75x = 73,785.50 × 31,111.75
  4. Step 4: Simplify right side
    53,467.75x = 2,295,596,029.63
  5. Step 5: Solve for x
    x = 2,295,596,029.63/53,467.75
  6. Step 6: Final answer
    x = 42,934.22

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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.