Home / 55,739.49-76,915.41-33,074.58

Finding the Fourth Proportional to 55,739.49, 76,915.41 and 33,074.58

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Solution

The fourth proportional to 55,739.49, 76,915.41 and 33,074.58 is: 45,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,739.49 : 76,915.41 = 33,074.58 : x
  2. Step 2: Convert to fraction form
    55,739.49/76,915.41 = 33,074.58/x
  3. Step 3: Cross multiply
    55,739.49x = 76,915.41 × 33,074.58
  4. Step 4: Simplify right side
    55,739.49x = 2,543,944,881.28
  5. Step 5: Solve for x
    x = 2,543,944,881.28/55,739.49
  6. Step 6: Final answer
    x = 45,639.90

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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.