Home / 106,935.03-147,607.20-61,631.10

Finding the Fourth Proportional to 106,935.03, 147,607.20 and 61,631.10

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Solution

The fourth proportional to 106,935.03, 147,607.20 and 61,631.10 is: 85,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.03 : 147,607.20 = 61,631.10 : x
  2. Step 2: Convert to fraction form
    106,935.03/147,607.20 = 61,631.10/x
  3. Step 3: Cross multiply
    106,935.03x = 147,607.20 × 61,631.10
  4. Step 4: Simplify right side
    106,935.03x = 9,097,194,103.92
  5. Step 5: Solve for x
    x = 9,097,194,103.92/106,935.03
  6. Step 6: Final answer
    x = 85,072.16

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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.