Home / 82,851.40-114,334.87-45,125.65

Finding the Fourth Proportional to 82,851.40, 114,334.87 and 45,125.65

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Solution

The fourth proportional to 82,851.40, 114,334.87 and 45,125.65 is: 62,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,851.40 : 114,334.87 = 45,125.65 : x
  2. Step 2: Convert to fraction form
    82,851.40/114,334.87 = 45,125.65/x
  3. Step 3: Cross multiply
    82,851.40x = 114,334.87 × 45,125.65
  4. Step 4: Simplify right side
    82,851.40x = 5,159,435,326.42
  5. Step 5: Solve for x
    x = 5,159,435,326.42/82,851.40
  6. Step 6: Final answer
    x = 62,273.36

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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.