Home / 82,745.34-114,154.27-54,055.14

Finding the Fourth Proportional to 82,745.34, 114,154.27 and 54,055.14

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Solution

The fourth proportional to 82,745.34, 114,154.27 and 54,055.14 is: 74,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,745.34 : 114,154.27 = 54,055.14 : x
  2. Step 2: Convert to fraction form
    82,745.34/114,154.27 = 54,055.14/x
  3. Step 3: Cross multiply
    82,745.34x = 114,154.27 × 54,055.14
  4. Step 4: Simplify right side
    82,745.34x = 6,170,625,046.45
  5. Step 5: Solve for x
    x = 6,170,625,046.45/82,745.34
  6. Step 6: Final answer
    x = 74,573.69

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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.