Home / 55,750.04-76,940.52-31,880.24

Finding the Fourth Proportional to 55,750.04, 76,940.52 and 31,880.24

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Solution

The fourth proportional to 55,750.04, 76,940.52 and 31,880.24 is: 43,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.04 : 76,940.52 = 31,880.24 : x
  2. Step 2: Convert to fraction form
    55,750.04/76,940.52 = 31,880.24/x
  3. Step 3: Cross multiply
    55,750.04x = 76,940.52 × 31,880.24
  4. Step 4: Simplify right side
    55,750.04x = 2,452,882,243.32
  5. Step 5: Solve for x
    x = 2,452,882,243.32/55,750.04
  6. Step 6: Final answer
    x = 43,997.86

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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.