Home / 79,172.99-109,253.04-43,357.22

Finding the Fourth Proportional to 79,172.99, 109,253.04 and 43,357.22

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Solution

The fourth proportional to 79,172.99, 109,253.04 and 43,357.22 is: 59,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,172.99 : 109,253.04 = 43,357.22 : x
  2. Step 2: Convert to fraction form
    79,172.99/109,253.04 = 43,357.22/x
  3. Step 3: Cross multiply
    79,172.99x = 109,253.04 × 43,357.22
  4. Step 4: Simplify right side
    79,172.99x = 4,736,908,090.95
  5. Step 5: Solve for x
    x = 4,736,908,090.95/79,172.99
  6. Step 6: Final answer
    x = 59,829.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.