Home / 76,013.48-113,920.86-40,877.48

Finding the Fourth Proportional to 76,013.48, 113,920.86 and 40,877.48

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Solution

The fourth proportional to 76,013.48, 113,920.86 and 40,877.48 is: 61,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,013.48 : 113,920.86 = 40,877.48 : x
  2. Step 2: Convert to fraction form
    76,013.48/113,920.86 = 40,877.48/x
  3. Step 3: Cross multiply
    76,013.48x = 113,920.86 × 40,877.48
  4. Step 4: Simplify right side
    76,013.48x = 4,656,797,676.23
  5. Step 5: Solve for x
    x = 4,656,797,676.23/76,013.48
  6. Step 6: Final answer
    x = 61,262.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.