Home / 106,824.28-147,428.58-61,503.88

Finding the Fourth Proportional to 106,824.28, 147,428.58 and 61,503.88

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Solution

The fourth proportional to 106,824.28, 147,428.58 and 61,503.88 is: 84,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,824.28 : 147,428.58 = 61,503.88 : x
  2. Step 2: Convert to fraction form
    106,824.28/147,428.58 = 61,503.88/x
  3. Step 3: Cross multiply
    106,824.28x = 147,428.58 × 61,503.88
  4. Step 4: Simplify right side
    106,824.28x = 9,067,429,692.89
  5. Step 5: Solve for x
    x = 9,067,429,692.89/106,824.28
  6. Step 6: Final answer
    x = 84,881.73

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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.