Home / 82,129.62-113,339.05-44,403.87

Finding the Fourth Proportional to 82,129.62, 113,339.05 and 44,403.87

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Solution

The fourth proportional to 82,129.62, 113,339.05 and 44,403.87 is: 61,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,129.62 : 113,339.05 = 44,403.87 : x
  2. Step 2: Convert to fraction form
    82,129.62/113,339.05 = 44,403.87/x
  3. Step 3: Cross multiply
    82,129.62x = 113,339.05 × 44,403.87
  4. Step 4: Simplify right side
    82,129.62x = 5,032,692,442.12
  5. Step 5: Solve for x
    x = 5,032,692,442.12/82,129.62
  6. Step 6: Final answer
    x = 61,277.43

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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.