Home / 55,205.34-76,185.23-31,010.58

Finding the Fourth Proportional to 55,205.34, 76,185.23 and 31,010.58

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Solution

The fourth proportional to 55,205.34, 76,185.23 and 31,010.58 is: 42,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,205.34 : 76,185.23 = 31,010.58 : x
  2. Step 2: Convert to fraction form
    55,205.34/76,185.23 = 31,010.58/x
  3. Step 3: Cross multiply
    55,205.34x = 76,185.23 × 31,010.58
  4. Step 4: Simplify right side
    55,205.34x = 2,362,548,014.68
  5. Step 5: Solve for x
    x = 2,362,548,014.68/55,205.34
  6. Step 6: Final answer
    x = 42,795.64

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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.