Home / 82,132.48-113,367.05-48,148.32

Finding the Fourth Proportional to 82,132.48, 113,367.05 and 48,148.32

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Solution

The fourth proportional to 82,132.48, 113,367.05 and 48,148.32 is: 66,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,132.48 : 113,367.05 = 48,148.32 : x
  2. Step 2: Convert to fraction form
    82,132.48/113,367.05 = 48,148.32/x
  3. Step 3: Cross multiply
    82,132.48x = 113,367.05 × 48,148.32
  4. Step 4: Simplify right side
    82,132.48x = 5,458,432,998.94
  5. Step 5: Solve for x
    x = 5,458,432,998.94/82,132.48
  6. Step 6: Final answer
    x = 66,458.89

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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.