Home / 55,741.74-76,901.70-31,855.60

Finding the Fourth Proportional to 55,741.74, 76,901.70 and 31,855.60

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Solution

The fourth proportional to 55,741.74, 76,901.70 and 31,855.60 is: 43,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.74 : 76,901.70 = 31,855.60 : x
  2. Step 2: Convert to fraction form
    55,741.74/76,901.70 = 31,855.60/x
  3. Step 3: Cross multiply
    55,741.74x = 76,901.70 × 31,855.60
  4. Step 4: Simplify right side
    55,741.74x = 2,449,749,250.73
  5. Step 5: Solve for x
    x = 2,449,749,250.73/55,741.74
  6. Step 6: Final answer
    x = 43,948.21

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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.