Home / 109,695.30-164,548.35-57,207.30

Finding the Fourth Proportional to 109,695.30, 164,548.35 and 57,207.30

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Solution

The fourth proportional to 109,695.30, 164,548.35 and 57,207.30 is: 85,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,695.30 : 164,548.35 = 57,207.30 : x
  2. Step 2: Convert to fraction form
    109,695.30/164,548.35 = 57,207.30/x
  3. Step 3: Cross multiply
    109,695.30x = 164,548.35 × 57,207.30
  4. Step 4: Simplify right side
    109,695.30x = 9,413,366,822.96
  5. Step 5: Solve for x
    x = 9,413,366,822.96/109,695.30
  6. Step 6: Final answer
    x = 85,813.77

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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.