Home / 94,022.70-129,770.42-63,817.75

Finding the Fourth Proportional to 94,022.70, 129,770.42 and 63,817.75

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Solution

The fourth proportional to 94,022.70, 129,770.42 and 63,817.75 is: 88,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,022.70 : 129,770.42 = 63,817.75 : x
  2. Step 2: Convert to fraction form
    94,022.70/129,770.42 = 63,817.75/x
  3. Step 3: Cross multiply
    94,022.70x = 129,770.42 × 63,817.75
  4. Step 4: Simplify right side
    94,022.70x = 8,281,655,901.87
  5. Step 5: Solve for x
    x = 8,281,655,901.87/94,022.70
  6. Step 6: Final answer
    x = 88,081.46

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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.