Home / 104,945.67-144,825.03-57,199.01

Finding the Fourth Proportional to 104,945.67, 144,825.03 and 57,199.01

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Solution

The fourth proportional to 104,945.67, 144,825.03 and 57,199.01 is: 78,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.67 : 144,825.03 = 57,199.01 : x
  2. Step 2: Convert to fraction form
    104,945.67/144,825.03 = 57,199.01/x
  3. Step 3: Cross multiply
    104,945.67x = 144,825.03 × 57,199.01
  4. Step 4: Simplify right side
    104,945.67x = 8,283,847,615.10
  5. Step 5: Solve for x
    x = 8,283,847,615.10/104,945.67
  6. Step 6: Final answer
    x = 78,934.63

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1.5x scale

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.