Home / 55,276.53-76,281.87-31,404.52

Finding the Fourth Proportional to 55,276.53, 76,281.87 and 31,404.52

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Solution

The fourth proportional to 55,276.53, 76,281.87 and 31,404.52 is: 43,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.53 : 76,281.87 = 31,404.52 : x
  2. Step 2: Convert to fraction form
    55,276.53/76,281.87 = 31,404.52/x
  3. Step 3: Cross multiply
    55,276.53x = 76,281.87 × 31,404.52
  4. Step 4: Simplify right side
    55,276.53x = 2,395,595,512.05
  5. Step 5: Solve for x
    x = 2,395,595,512.05/55,276.53
  6. Step 6: Final answer
    x = 43,338.38

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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.