Home / 73,322.64-109,529.07-53,172.18

Finding the Fourth Proportional to 73,322.64, 109,529.07 and 53,172.18

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Solution

The fourth proportional to 73,322.64, 109,529.07 and 53,172.18 is: 79,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,322.64 : 109,529.07 = 53,172.18 : x
  2. Step 2: Convert to fraction form
    73,322.64/109,529.07 = 53,172.18/x
  3. Step 3: Cross multiply
    73,322.64x = 109,529.07 × 53,172.18
  4. Step 4: Simplify right side
    73,322.64x = 5,823,899,425.27
  5. Step 5: Solve for x
    x = 5,823,899,425.27/73,322.64
  6. Step 6: Final answer
    x = 79,428.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.