Home / 106,935.30-147,607.61-61,631.34

Finding the Fourth Proportional to 106,935.30, 147,607.61 and 61,631.34

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Solution

The fourth proportional to 106,935.30, 147,607.61 and 61,631.34 is: 85,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.30 : 147,607.61 = 61,631.34 : x
  2. Step 2: Convert to fraction form
    106,935.30/147,607.61 = 61,631.34/x
  3. Step 3: Cross multiply
    106,935.30x = 147,607.61 × 61,631.34
  4. Step 4: Simplify right side
    106,935.30x = 9,097,254,490.34
  5. Step 5: Solve for x
    x = 9,097,254,490.34/106,935.30
  6. Step 6: Final answer
    x = 85,072.51

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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.