Home / 104,212.58-143,836.97-58,916.77

Finding the Fourth Proportional to 104,212.58, 143,836.97 and 58,916.77

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Solution

The fourth proportional to 104,212.58, 143,836.97 and 58,916.77 is: 81,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.58 : 143,836.97 = 58,916.77 : x
  2. Step 2: Convert to fraction form
    104,212.58/143,836.97 = 58,916.77/x
  3. Step 3: Cross multiply
    104,212.58x = 143,836.97 × 58,916.77
  4. Step 4: Simplify right side
    104,212.58x = 8,474,409,024.81
  5. Step 5: Solve for x
    x = 8,474,409,024.81/104,212.58
  6. Step 6: Final answer
    x = 81,318.49

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1.5x scale

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.