Home / 109,709.90-164,451.45-59,684.30

Finding the Fourth Proportional to 109,709.90, 164,451.45 and 59,684.30

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Solution

The fourth proportional to 109,709.90, 164,451.45 and 59,684.30 is: 89,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,709.90 : 164,451.45 = 59,684.30 : x
  2. Step 2: Convert to fraction form
    109,709.90/164,451.45 = 59,684.30/x
  3. Step 3: Cross multiply
    109,709.90x = 164,451.45 × 59,684.30
  4. Step 4: Simplify right side
    109,709.90x = 9,815,169,677.24
  5. Step 5: Solve for x
    x = 9,815,169,677.24/109,709.90
  6. Step 6: Final answer
    x = 89,464.76

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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.