Home / 45,582.94-68,348.77-31,368.12

Finding the Fourth Proportional to 45,582.94, 68,348.77 and 31,368.12

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Solution

The fourth proportional to 45,582.94, 68,348.77 and 31,368.12 is: 47,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.94 : 68,348.77 = 31,368.12 : x
  2. Step 2: Convert to fraction form
    45,582.94/68,348.77 = 31,368.12/x
  3. Step 3: Cross multiply
    45,582.94x = 68,348.77 × 31,368.12
  4. Step 4: Simplify right side
    45,582.94x = 2,143,972,419.21
  5. Step 5: Solve for x
    x = 2,143,972,419.21/45,582.94
  6. Step 6: Final answer
    x = 47,034.54

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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.