Home / 77,072.30-115,613.86-32,694.02

Finding the Fourth Proportional to 77,072.30, 115,613.86 and 32,694.02

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Solution

The fourth proportional to 77,072.30, 115,613.86 and 32,694.02 is: 49,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,072.30 : 115,613.86 = 32,694.02 : x
  2. Step 2: Convert to fraction form
    77,072.30/115,613.86 = 32,694.02/x
  3. Step 3: Cross multiply
    77,072.30x = 115,613.86 × 32,694.02
  4. Step 4: Simplify right side
    77,072.30x = 3,779,881,851.12
  5. Step 5: Solve for x
    x = 3,779,881,851.12/77,072.30
  6. Step 6: Final answer
    x = 49,043.32

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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.