Home / 75,419.93-104,128.20-46,770.03

Finding the Fourth Proportional to 75,419.93, 104,128.20 and 46,770.03

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Solution

The fourth proportional to 75,419.93, 104,128.20 and 46,770.03 is: 64,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.93 : 104,128.20 = 46,770.03 : x
  2. Step 2: Convert to fraction form
    75,419.93/104,128.20 = 46,770.03/x
  3. Step 3: Cross multiply
    75,419.93x = 104,128.20 × 46,770.03
  4. Step 4: Simplify right side
    75,419.93x = 4,870,079,037.85
  5. Step 5: Solve for x
    x = 4,870,079,037.85/75,419.93
  6. Step 6: Final answer
    x = 64,572.84

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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.