Home / 103,673.72-143,076.96-58,356.04

Finding the Fourth Proportional to 103,673.72, 143,076.96 and 58,356.04

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Solution

The fourth proportional to 103,673.72, 143,076.96 and 58,356.04 is: 80,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.72 : 143,076.96 = 58,356.04 : x
  2. Step 2: Convert to fraction form
    103,673.72/143,076.96 = 58,356.04/x
  3. Step 3: Cross multiply
    103,673.72x = 143,076.96 × 58,356.04
  4. Step 4: Simplify right side
    103,673.72x = 8,349,404,800.84
  5. Step 5: Solve for x
    x = 8,349,404,800.84/103,673.72
  6. Step 6: Final answer
    x = 80,535.40

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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.