Home / 106,786.53-147,368.37-59,042.94

Finding the Fourth Proportional to 106,786.53, 147,368.37 and 59,042.94

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Solution

The fourth proportional to 106,786.53, 147,368.37 and 59,042.94 is: 81,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.53 : 147,368.37 = 59,042.94 : x
  2. Step 2: Convert to fraction form
    106,786.53/147,368.37 = 59,042.94/x
  3. Step 3: Cross multiply
    106,786.53x = 147,368.37 × 59,042.94
  4. Step 4: Simplify right side
    106,786.53x = 8,701,061,827.81
  5. Step 5: Solve for x
    x = 8,701,061,827.81/106,786.53
  6. Step 6: Final answer
    x = 81,480.89

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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.