Home / 104,088.72-143,642.88-58,768.68

Finding the Fourth Proportional to 104,088.72, 143,642.88 and 58,768.68

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Solution

The fourth proportional to 104,088.72, 143,642.88 and 58,768.68 is: 81,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,088.72 : 143,642.88 = 58,768.68 : x
  2. Step 2: Convert to fraction form
    104,088.72/143,642.88 = 58,768.68/x
  3. Step 3: Cross multiply
    104,088.72x = 143,642.88 × 58,768.68
  4. Step 4: Simplify right side
    104,088.72x = 8,441,702,449.00
  5. Step 5: Solve for x
    x = 8,441,702,449.00/104,088.72
  6. Step 6: Final answer
    x = 81,101.03

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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.