Home / 93,453.24-128,968.38-53,172.84

Finding the Fourth Proportional to 93,453.24, 128,968.38 and 53,172.84

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Solution

The fourth proportional to 93,453.24, 128,968.38 and 53,172.84 is: 73,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,453.24 : 128,968.38 = 53,172.84 : x
  2. Step 2: Convert to fraction form
    93,453.24/128,968.38 = 53,172.84/x
  3. Step 3: Cross multiply
    93,453.24x = 128,968.38 × 53,172.84
  4. Step 4: Simplify right side
    93,453.24x = 6,857,615,034.80
  5. Step 5: Solve for x
    x = 6,857,615,034.80/93,453.24
  6. Step 6: Final answer
    x = 73,380.17

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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.