Home / 103,719.96-155,579.94-59,315.56

Finding the Fourth Proportional to 103,719.96, 155,579.94 and 59,315.56

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Solution

The fourth proportional to 103,719.96, 155,579.94 and 59,315.56 is: 88,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,719.96 : 155,579.94 = 59,315.56 : x
  2. Step 2: Convert to fraction form
    103,719.96/155,579.94 = 59,315.56/x
  3. Step 3: Cross multiply
    103,719.96x = 155,579.94 × 59,315.56
  4. Step 4: Simplify right side
    103,719.96x = 9,228,310,876.92
  5. Step 5: Solve for x
    x = 9,228,310,876.92/103,719.96
  6. Step 6: Final answer
    x = 88,973.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.