Home / 104,148.84-143,738.10-58,828.80

Finding the Fourth Proportional to 104,148.84, 143,738.10 and 58,828.80

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Solution

The fourth proportional to 104,148.84, 143,738.10 and 58,828.80 is: 81,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.84 : 143,738.10 = 58,828.80 : x
  2. Step 2: Convert to fraction form
    104,148.84/143,738.10 = 58,828.80/x
  3. Step 3: Cross multiply
    104,148.84x = 143,738.10 × 58,828.80
  4. Step 4: Simplify right side
    104,148.84x = 8,455,939,937.28
  5. Step 5: Solve for x
    x = 8,455,939,937.28/104,148.84
  6. Step 6: Final answer
    x = 81,190.92

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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.