Home / 106,534.94-159,760.86-39,938.72

Finding the Fourth Proportional to 106,534.94, 159,760.86 and 39,938.72

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Solution

The fourth proportional to 106,534.94, 159,760.86 and 39,938.72 is: 59,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,534.94 : 159,760.86 = 39,938.72 : x
  2. Step 2: Convert to fraction form
    106,534.94/159,760.86 = 39,938.72/x
  3. Step 3: Cross multiply
    106,534.94x = 159,760.86 × 39,938.72
  4. Step 4: Simplify right side
    106,534.94x = 6,380,643,455.69
  5. Step 5: Solve for x
    x = 6,380,643,455.69/106,534.94
  6. Step 6: Final answer
    x = 59,892.50

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1.5x scale

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.