Home / 106,928.28-147,572.01-61,607.97

Finding the Fourth Proportional to 106,928.28, 147,572.01 and 61,607.97

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Solution

The fourth proportional to 106,928.28, 147,572.01 and 61,607.97 is: 85,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,928.28 : 147,572.01 = 61,607.97 : x
  2. Step 2: Convert to fraction form
    106,928.28/147,572.01 = 61,607.97/x
  3. Step 3: Cross multiply
    106,928.28x = 147,572.01 × 61,607.97
  4. Step 4: Simplify right side
    106,928.28x = 9,091,611,964.92
  5. Step 5: Solve for x
    x = 9,091,611,964.92/106,928.28
  6. Step 6: Final answer
    x = 85,025.33

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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.