Home / 106,930.46-147,570.89-61,607.63

Finding the Fourth Proportional to 106,930.46, 147,570.89 and 61,607.63

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Solution

The fourth proportional to 106,930.46, 147,570.89 and 61,607.63 is: 85,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,930.46 : 147,570.89 = 61,607.63 : x
  2. Step 2: Convert to fraction form
    106,930.46/147,570.89 = 61,607.63/x
  3. Step 3: Cross multiply
    106,930.46x = 147,570.89 × 61,607.63
  4. Step 4: Simplify right side
    106,930.46x = 9,091,491,744.00
  5. Step 5: Solve for x
    x = 9,091,491,744.00/106,930.46
  6. Step 6: Final answer
    x = 85,022.47

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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.