Home / 108,255.54-162,420.07-58,340.64

Finding the Fourth Proportional to 108,255.54, 162,420.07 and 58,340.64

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Solution

The fourth proportional to 108,255.54, 162,420.07 and 58,340.64 is: 87,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,255.54 : 162,420.07 = 58,340.64 : x
  2. Step 2: Convert to fraction form
    108,255.54/162,420.07 = 58,340.64/x
  3. Step 3: Cross multiply
    108,255.54x = 162,420.07 × 58,340.64
  4. Step 4: Simplify right side
    108,255.54x = 9,475,690,832.64
  5. Step 5: Solve for x
    x = 9,475,690,832.64/108,255.54
  6. Step 6: Final answer
    x = 87,530.77

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1.5x scale

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.