Home / 106,984.40-147,640.78-58,588.36

Finding the Fourth Proportional to 106,984.40, 147,640.78 and 58,588.36

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Solution

The fourth proportional to 106,984.40, 147,640.78 and 58,588.36 is: 80,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,984.40 : 147,640.78 = 58,588.36 : x
  2. Step 2: Convert to fraction form
    106,984.40/147,640.78 = 58,588.36/x
  3. Step 3: Cross multiply
    106,984.40x = 147,640.78 × 58,588.36
  4. Step 4: Simplify right side
    106,984.40x = 8,650,031,169.32
  5. Step 5: Solve for x
    x = 8,650,031,169.32/106,984.40
  6. Step 6: Final answer
    x = 80,853.20

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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.