Home / 55,208.88-76,182.53-31,012.56

Finding the Fourth Proportional to 55,208.88, 76,182.53 and 31,012.56

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Solution

The fourth proportional to 55,208.88, 76,182.53 and 31,012.56 is: 42,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.88 : 76,182.53 = 31,012.56 : x
  2. Step 2: Convert to fraction form
    55,208.88/76,182.53 = 31,012.56/x
  3. Step 3: Cross multiply
    55,208.88x = 76,182.53 × 31,012.56
  4. Step 4: Simplify right side
    55,208.88x = 2,362,615,282.58
  5. Step 5: Solve for x
    x = 2,362,615,282.58/55,208.88
  6. Step 6: Final answer
    x = 42,794.12

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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.