Home / 54,765.76-75,576.48-29,615.20

Finding the Fourth Proportional to 54,765.76, 75,576.48 and 29,615.20

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Solution

The fourth proportional to 54,765.76, 75,576.48 and 29,615.20 is: 40,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.76 : 75,576.48 = 29,615.20 : x
  2. Step 2: Convert to fraction form
    54,765.76/75,576.48 = 29,615.20/x
  3. Step 3: Cross multiply
    54,765.76x = 75,576.48 × 29,615.20
  4. Step 4: Simplify right side
    54,765.76x = 2,238,212,570.50
  5. Step 5: Solve for x
    x = 2,238,212,570.50/54,765.76
  6. Step 6: Final answer
    x = 40,868.83

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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.