Home / 106,786.29-147,357.77-59,039.19

Finding the Fourth Proportional to 106,786.29, 147,357.77 and 59,039.19

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Solution

The fourth proportional to 106,786.29, 147,357.77 and 59,039.19 is: 81,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.29 : 147,357.77 = 59,039.19 : x
  2. Step 2: Convert to fraction form
    106,786.29/147,357.77 = 59,039.19/x
  3. Step 3: Cross multiply
    106,786.29x = 147,357.77 × 59,039.19
  4. Step 4: Simplify right side
    106,786.29x = 8,699,883,085.81
  5. Step 5: Solve for x
    x = 8,699,883,085.81/106,786.29
  6. Step 6: Final answer
    x = 81,470.04

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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.