Home / 104,884.56-144,740.88-57,137.76

Finding the Fourth Proportional to 104,884.56, 144,740.88 and 57,137.76

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Solution

The fourth proportional to 104,884.56, 144,740.88 and 57,137.76 is: 78,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,884.56 : 144,740.88 = 57,137.76 : x
  2. Step 2: Convert to fraction form
    104,884.56/144,740.88 = 57,137.76/x
  3. Step 3: Cross multiply
    104,884.56x = 144,740.88 × 57,137.76
  4. Step 4: Simplify right side
    104,884.56x = 8,270,169,663.63
  5. Step 5: Solve for x
    x = 8,270,169,663.63/104,884.56
  6. Step 6: Final answer
    x = 78,850.21

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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.