Home / 104,834.40-144,649.08-66,606

Finding the Fourth Proportional to 104,834.40, 144,649.08 and 66,606

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Solution

The fourth proportional to 104,834.40, 144,649.08 and 66,606 is: 91,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,834.40 : 144,649.08 = 66,606 : x
  2. Step 2: Convert to fraction form
    104,834.40/144,649.08 = 66,606/x
  3. Step 3: Cross multiply
    104,834.40x = 144,649.08 × 66,606
  4. Step 4: Simplify right side
    104,834.40x = 9,634,496,622.48
  5. Step 5: Solve for x
    x = 9,634,496,622.48/104,834.40
  6. Step 6: Final answer
    x = 91,902.05

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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.