Home / 55,208.12-76,194.09-31,342.52

Finding the Fourth Proportional to 55,208.12, 76,194.09 and 31,342.52

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Solution

The fourth proportional to 55,208.12, 76,194.09 and 31,342.52 is: 43,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.12 : 76,194.09 = 31,342.52 : x
  2. Step 2: Convert to fraction form
    55,208.12/76,194.09 = 31,342.52/x
  3. Step 3: Cross multiply
    55,208.12x = 76,194.09 × 31,342.52
  4. Step 4: Simplify right side
    55,208.12x = 2,388,114,789.71
  5. Step 5: Solve for x
    x = 2,388,114,789.71/55,208.12
  6. Step 6: Final answer
    x = 43,256.59

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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.