Home / 79,688.48-119,199.78-55,994.36

Finding the Fourth Proportional to 79,688.48, 119,199.78 and 55,994.36

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Solution

The fourth proportional to 79,688.48, 119,199.78 and 55,994.36 is: 83,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,688.48 : 119,199.78 = 55,994.36 : x
  2. Step 2: Convert to fraction form
    79,688.48/119,199.78 = 55,994.36/x
  3. Step 3: Cross multiply
    79,688.48x = 119,199.78 × 55,994.36
  4. Step 4: Simplify right side
    79,688.48x = 6,674,515,393.24
  5. Step 5: Solve for x
    x = 6,674,515,393.24/79,688.48
  6. Step 6: Final answer
    x = 83,757.59

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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.