Home / 104,755.21-144,562.32-57,008.53

Finding the Fourth Proportional to 104,755.21, 144,562.32 and 57,008.53

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Solution

The fourth proportional to 104,755.21, 144,562.32 and 57,008.53 is: 78,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,755.21 : 144,562.32 = 57,008.53 : x
  2. Step 2: Convert to fraction form
    104,755.21/144,562.32 = 57,008.53/x
  3. Step 3: Cross multiply
    104,755.21x = 144,562.32 × 57,008.53
  4. Step 4: Simplify right side
    104,755.21x = 8,241,285,356.59
  5. Step 5: Solve for x
    x = 8,241,285,356.59/104,755.21
  6. Step 6: Final answer
    x = 78,671.84

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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.