Home / 109,875.20-164,594.10-57,314.30

Finding the Fourth Proportional to 109,875.20, 164,594.10 and 57,314.30

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Solution

The fourth proportional to 109,875.20, 164,594.10 and 57,314.30 is: 85,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,875.20 : 164,594.10 = 57,314.30 : x
  2. Step 2: Convert to fraction form
    109,875.20/164,594.10 = 57,314.30/x
  3. Step 3: Cross multiply
    109,875.20x = 164,594.10 × 57,314.30
  4. Step 4: Simplify right side
    109,875.20x = 9,433,595,625.63
  5. Step 5: Solve for x
    x = 9,433,595,625.63/109,875.20
  6. Step 6: Final answer
    x = 85,857.37

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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.