Home / 55,256.99-76,252.20-31,383.32

Finding the Fourth Proportional to 55,256.99, 76,252.20 and 31,383.32

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Solution

The fourth proportional to 55,256.99, 76,252.20 and 31,383.32 is: 43,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.99 : 76,252.20 = 31,383.32 : x
  2. Step 2: Convert to fraction form
    55,256.99/76,252.20 = 31,383.32/x
  3. Step 3: Cross multiply
    55,256.99x = 76,252.20 × 31,383.32
  4. Step 4: Simplify right side
    55,256.99x = 2,393,047,193.30
  5. Step 5: Solve for x
    x = 2,393,047,193.30/55,256.99
  6. Step 6: Final answer
    x = 43,307.59

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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.