Home / 51,823.89-77,751.63-26,881.79

Finding the Fourth Proportional to 51,823.89, 77,751.63 and 26,881.79

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Solution

The fourth proportional to 51,823.89, 77,751.63 and 26,881.79 is: 40,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.89 : 77,751.63 = 26,881.79 : x
  2. Step 2: Convert to fraction form
    51,823.89/77,751.63 = 26,881.79/x
  3. Step 3: Cross multiply
    51,823.89x = 77,751.63 × 26,881.79
  4. Step 4: Simplify right side
    51,823.89x = 2,090,102,601.06
  5. Step 5: Solve for x
    x = 2,090,102,601.06/51,823.89
  6. Step 6: Final answer
    x = 40,330.87

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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.