Home / 77,563.86-116,346.10-51,262.76

Finding the Fourth Proportional to 77,563.86, 116,346.10 and 51,262.76

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Solution

The fourth proportional to 77,563.86, 116,346.10 and 51,262.76 is: 76,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,563.86 : 116,346.10 = 51,262.76 : x
  2. Step 2: Convert to fraction form
    77,563.86/116,346.10 = 51,262.76/x
  3. Step 3: Cross multiply
    77,563.86x = 116,346.10 × 51,262.76
  4. Step 4: Simplify right side
    77,563.86x = 5,964,221,491.35
  5. Step 5: Solve for x
    x = 5,964,221,491.35/77,563.86
  6. Step 6: Final answer
    x = 76,894.34

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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.