Home / 105,596.48-145,726.79-57,849.82

Finding the Fourth Proportional to 105,596.48, 145,726.79 and 57,849.82

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Solution

The fourth proportional to 105,596.48, 145,726.79 and 57,849.82 is: 79,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,596.48 : 145,726.79 = 57,849.82 : x
  2. Step 2: Convert to fraction form
    105,596.48/145,726.79 = 57,849.82/x
  3. Step 3: Cross multiply
    105,596.48x = 145,726.79 × 57,849.82
  4. Step 4: Simplify right side
    105,596.48x = 8,430,268,570.68
  5. Step 5: Solve for x
    x = 8,430,268,570.68/105,596.48
  6. Step 6: Final answer
    x = 79,834.75

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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.