Home / 104,943.51-144,825.12-57,199.95

Finding the Fourth Proportional to 104,943.51, 144,825.12 and 57,199.95

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Solution

The fourth proportional to 104,943.51, 144,825.12 and 57,199.95 is: 78,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.51 : 144,825.12 = 57,199.95 : x
  2. Step 2: Convert to fraction form
    104,943.51/144,825.12 = 57,199.95/x
  3. Step 3: Cross multiply
    104,943.51x = 144,825.12 × 57,199.95
  4. Step 4: Simplify right side
    104,943.51x = 8,283,989,622.74
  5. Step 5: Solve for x
    x = 8,283,989,622.74/104,943.51
  6. Step 6: Final answer
    x = 78,937.61

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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.