Home / 103,903.47-143,383.92-58,581.06

Finding the Fourth Proportional to 103,903.47, 143,383.92 and 58,581.06

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Solution

The fourth proportional to 103,903.47, 143,383.92 and 58,581.06 is: 80,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,903.47 : 143,383.92 = 58,581.06 : x
  2. Step 2: Convert to fraction form
    103,903.47/143,383.92 = 58,581.06/x
  3. Step 3: Cross multiply
    103,903.47x = 143,383.92 × 58,581.06
  4. Step 4: Simplify right side
    103,903.47x = 8,399,581,303.64
  5. Step 5: Solve for x
    x = 8,399,581,303.64/103,903.47
  6. Step 6: Final answer
    x = 80,840.24

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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.