Home / 110,784.68-165,912.12-63,895.40

Finding the Fourth Proportional to 110,784.68, 165,912.12 and 63,895.40

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Solution

The fourth proportional to 110,784.68, 165,912.12 and 63,895.40 is: 95,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,784.68 : 165,912.12 = 63,895.40 : x
  2. Step 2: Convert to fraction form
    110,784.68/165,912.12 = 63,895.40/x
  3. Step 3: Cross multiply
    110,784.68x = 165,912.12 × 63,895.40
  4. Step 4: Simplify right side
    110,784.68x = 10,601,021,272.25
  5. Step 5: Solve for x
    x = 10,601,021,272.25/110,784.68
  6. Step 6: Final answer
    x = 95,690.32

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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.