Home / 54,391.04-75,059.80-31,745.60

Finding the Fourth Proportional to 54,391.04, 75,059.80 and 31,745.60

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Solution

The fourth proportional to 54,391.04, 75,059.80 and 31,745.60 is: 43,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.04 : 75,059.80 = 31,745.60 : x
  2. Step 2: Convert to fraction form
    54,391.04/75,059.80 = 31,745.60/x
  3. Step 3: Cross multiply
    54,391.04x = 75,059.80 × 31,745.60
  4. Step 4: Simplify right side
    54,391.04x = 2,382,818,386.88
  5. Step 5: Solve for x
    x = 2,382,818,386.88/54,391.04
  6. Step 6: Final answer
    x = 43,809.02

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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.