Home / 104,828.57-144,663.47-57,081.90

Finding the Fourth Proportional to 104,828.57, 144,663.47 and 57,081.90

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Solution

The fourth proportional to 104,828.57, 144,663.47 and 57,081.90 is: 78,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,828.57 : 144,663.47 = 57,081.90 : x
  2. Step 2: Convert to fraction form
    104,828.57/144,663.47 = 57,081.90/x
  3. Step 3: Cross multiply
    104,828.57x = 144,663.47 × 57,081.90
  4. Step 4: Simplify right side
    104,828.57x = 8,257,665,728.19
  5. Step 5: Solve for x
    x = 8,257,665,728.19/104,828.57
  6. Step 6: Final answer
    x = 78,773.05

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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.