Home / 93,784.62-129,435.09-53,489.15

Finding the Fourth Proportional to 93,784.62, 129,435.09 and 53,489.15

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Solution

The fourth proportional to 93,784.62, 129,435.09 and 53,489.15 is: 73,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,784.62 : 129,435.09 = 53,489.15 : x
  2. Step 2: Convert to fraction form
    93,784.62/129,435.09 = 53,489.15/x
  3. Step 3: Cross multiply
    93,784.62x = 129,435.09 × 53,489.15
  4. Step 4: Simplify right side
    93,784.62x = 6,923,372,297.10
  5. Step 5: Solve for x
    x = 6,923,372,297.10/93,784.62
  6. Step 6: Final answer
    x = 73,822.04

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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.