Home / 112,644.96-155,439.51-67,313.94

Finding the Fourth Proportional to 112,644.96, 155,439.51 and 67,313.94

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Solution

The fourth proportional to 112,644.96, 155,439.51 and 67,313.94 is: 92,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,644.96 : 155,439.51 = 67,313.94 : x
  2. Step 2: Convert to fraction form
    112,644.96/155,439.51 = 67,313.94/x
  3. Step 3: Cross multiply
    112,644.96x = 155,439.51 × 67,313.94
  4. Step 4: Simplify right side
    112,644.96x = 10,463,245,849.77
  5. Step 5: Solve for x
    x = 10,463,245,849.77/112,644.96
  6. Step 6: Final answer
    x = 92,886.94

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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.