Home / 82,779.96-124,171.12-23,615.63

Finding the Fourth Proportional to 82,779.96, 124,171.12 and 23,615.63

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Solution

The fourth proportional to 82,779.96, 124,171.12 and 23,615.63 is: 35,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,779.96 : 124,171.12 = 23,615.63 : x
  2. Step 2: Convert to fraction form
    82,779.96/124,171.12 = 23,615.63/x
  3. Step 3: Cross multiply
    82,779.96x = 124,171.12 × 23,615.63
  4. Step 4: Simplify right side
    82,779.96x = 2,932,379,226.61
  5. Step 5: Solve for x
    x = 2,932,379,226.61/82,779.96
  6. Step 6: Final answer
    x = 35,423.78

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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.