Home / 93,272.68-128,712.21-52,986.28

Finding the Fourth Proportional to 93,272.68, 128,712.21 and 52,986.28

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Solution

The fourth proportional to 93,272.68, 128,712.21 and 52,986.28 is: 73,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272.68 : 128,712.21 = 52,986.28 : x
  2. Step 2: Convert to fraction form
    93,272.68/128,712.21 = 52,986.28/x
  3. Step 3: Cross multiply
    93,272.68x = 128,712.21 × 52,986.28
  4. Step 4: Simplify right side
    93,272.68x = 6,819,981,198.48
  5. Step 5: Solve for x
    x = 6,819,981,198.48/93,272.68
  6. Step 6: Final answer
    x = 73,118.74

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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.