Home / 105,046.14-144,965.70-57,301.23

Finding the Fourth Proportional to 105,046.14, 144,965.70 and 57,301.23

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Solution

The fourth proportional to 105,046.14, 144,965.70 and 57,301.23 is: 79,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.14 : 144,965.70 = 57,301.23 : x
  2. Step 2: Convert to fraction form
    105,046.14/144,965.70 = 57,301.23/x
  3. Step 3: Cross multiply
    105,046.14x = 144,965.70 × 57,301.23
  4. Step 4: Simplify right side
    105,046.14x = 8,306,712,917.81
  5. Step 5: Solve for x
    x = 8,306,712,917.81/105,046.14
  6. Step 6: Final answer
    x = 79,076.80

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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.