Home / 108,134.64-161,984.47-53,935.92

Finding the Fourth Proportional to 108,134.64, 161,984.47 and 53,935.92

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Solution

The fourth proportional to 108,134.64, 161,984.47 and 53,935.92 is: 80,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,134.64 : 161,984.47 = 53,935.92 : x
  2. Step 2: Convert to fraction form
    108,134.64/161,984.47 = 53,935.92/x
  3. Step 3: Cross multiply
    108,134.64x = 161,984.47 × 53,935.92
  4. Step 4: Simplify right side
    108,134.64x = 8,736,781,415.16
  5. Step 5: Solve for x
    x = 8,736,781,415.16/108,134.64
  6. Step 6: Final answer
    x = 80,795.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.