Home / 77,777.60-116,826.72-51,206.36

Finding the Fourth Proportional to 77,777.60, 116,826.72 and 51,206.36

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Solution

The fourth proportional to 77,777.60, 116,826.72 and 51,206.36 is: 76,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777.60 : 116,826.72 = 51,206.36 : x
  2. Step 2: Convert to fraction form
    77,777.60/116,826.72 = 51,206.36/x
  3. Step 3: Cross multiply
    77,777.60x = 116,826.72 × 51,206.36
  4. Step 4: Simplify right side
    77,777.60x = 5,982,271,081.94
  5. Step 5: Solve for x
    x = 5,982,271,081.94/77,777.60
  6. Step 6: Final answer
    x = 76,915.09

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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.