Home / 106,526.41-159,811.49-31,639.89

Finding the Fourth Proportional to 106,526.41, 159,811.49 and 31,639.89

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Solution

The fourth proportional to 106,526.41, 159,811.49 and 31,639.89 is: 47,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,526.41 : 159,811.49 = 31,639.89 : x
  2. Step 2: Convert to fraction form
    106,526.41/159,811.49 = 31,639.89/x
  3. Step 3: Cross multiply
    106,526.41x = 159,811.49 × 31,639.89
  4. Step 4: Simplify right side
    106,526.41x = 5,056,417,325.49
  5. Step 5: Solve for x
    x = 5,056,417,325.49/106,526.41
  6. Step 6: Final answer
    x = 47,466.33

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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.