Home / 78,333.64-108,102.25-46,502.66

Finding the Fourth Proportional to 78,333.64, 108,102.25 and 46,502.66

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Solution

The fourth proportional to 78,333.64, 108,102.25 and 46,502.66 is: 64,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,333.64 : 108,102.25 = 46,502.66 : x
  2. Step 2: Convert to fraction form
    78,333.64/108,102.25 = 46,502.66/x
  3. Step 3: Cross multiply
    78,333.64x = 108,102.25 × 46,502.66
  4. Step 4: Simplify right side
    78,333.64x = 5,027,042,176.99
  5. Step 5: Solve for x
    x = 5,027,042,176.99/78,333.64
  6. Step 6: Final answer
    x = 64,174.76

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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.