Home / 49,266.48-68,010.12-31,386

Finding the Fourth Proportional to 49,266.48, 68,010.12 and 31,386

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Solution

The fourth proportional to 49,266.48, 68,010.12 and 31,386 is: 43,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,266.48 : 68,010.12 = 31,386 : x
  2. Step 2: Convert to fraction form
    49,266.48/68,010.12 = 31,386/x
  3. Step 3: Cross multiply
    49,266.48x = 68,010.12 × 31,386
  4. Step 4: Simplify right side
    49,266.48x = 2,134,565,626.32
  5. Step 5: Solve for x
    x = 2,134,565,626.32/49,266.48
  6. Step 6: Final answer
    x = 43,326.94

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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.