Home / 105,041.74-144,957.57-57,295.06

Finding the Fourth Proportional to 105,041.74, 144,957.57 and 57,295.06

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Solution

The fourth proportional to 105,041.74, 144,957.57 and 57,295.06 is: 79,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041.74 : 144,957.57 = 57,295.06 : x
  2. Step 2: Convert to fraction form
    105,041.74/144,957.57 = 57,295.06/x
  3. Step 3: Cross multiply
    105,041.74x = 144,957.57 × 57,295.06
  4. Step 4: Simplify right side
    105,041.74x = 8,305,352,670.60
  5. Step 5: Solve for x
    x = 8,305,352,670.60/105,041.74
  6. Step 6: Final answer
    x = 79,067.17

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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.