Home / 93,282.20-128,732.90-53,002.79

Finding the Fourth Proportional to 93,282.20, 128,732.90 and 53,002.79

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Solution

The fourth proportional to 93,282.20, 128,732.90 and 53,002.79 is: 73,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,282.20 : 128,732.90 = 53,002.79 : x
  2. Step 2: Convert to fraction form
    93,282.20/128,732.90 = 53,002.79/x
  3. Step 3: Cross multiply
    93,282.20x = 128,732.90 × 53,002.79
  4. Step 4: Simplify right side
    93,282.20x = 6,823,201,956.11
  5. Step 5: Solve for x
    x = 6,823,201,956.11/93,282.20
  6. Step 6: Final answer
    x = 73,145.81

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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.