Home / 51,258.77-76,890.47-15,717.49

Finding the Fourth Proportional to 51,258.77, 76,890.47 and 15,717.49

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Solution

The fourth proportional to 51,258.77, 76,890.47 and 15,717.49 is: 23,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.77 : 76,890.47 = 15,717.49 : x
  2. Step 2: Convert to fraction form
    51,258.77/76,890.47 = 15,717.49/x
  3. Step 3: Cross multiply
    51,258.77x = 76,890.47 × 15,717.49
  4. Step 4: Simplify right side
    51,258.77x = 1,208,525,193.32
  5. Step 5: Solve for x
    x = 1,208,525,193.32/51,258.77
  6. Step 6: Final answer
    x = 23,576.94

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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.