Home / 52,313.58-78,557.85-51,905.34

Finding the Fourth Proportional to 52,313.58, 78,557.85 and 51,905.34

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Solution

The fourth proportional to 52,313.58, 78,557.85 and 51,905.34 is: 77,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,313.58 : 78,557.85 = 51,905.34 : x
  2. Step 2: Convert to fraction form
    52,313.58/78,557.85 = 51,905.34/x
  3. Step 3: Cross multiply
    52,313.58x = 78,557.85 × 51,905.34
  4. Step 4: Simplify right side
    52,313.58x = 4,077,571,913.92
  5. Step 5: Solve for x
    x = 4,077,571,913.92/52,313.58
  6. Step 6: Final answer
    x = 77,944.81

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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.