Home / 79,960.37-119,941.16-30,051.81

Finding the Fourth Proportional to 79,960.37, 119,941.16 and 30,051.81

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Solution

The fourth proportional to 79,960.37, 119,941.16 and 30,051.81 is: 45,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.37 : 119,941.16 = 30,051.81 : x
  2. Step 2: Convert to fraction form
    79,960.37/119,941.16 = 30,051.81/x
  3. Step 3: Cross multiply
    79,960.37x = 119,941.16 × 30,051.81
  4. Step 4: Simplify right side
    79,960.37x = 3,604,448,801.24
  5. Step 5: Solve for x
    x = 3,604,448,801.24/79,960.37
  6. Step 6: Final answer
    x = 45,077.94

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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.