Home / 106,655.42-147,171.88-58,905.92

Finding the Fourth Proportional to 106,655.42, 147,171.88 and 58,905.92

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Solution

The fourth proportional to 106,655.42, 147,171.88 and 58,905.92 is: 81,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,655.42 : 147,171.88 = 58,905.92 : x
  2. Step 2: Convert to fraction form
    106,655.42/147,171.88 = 58,905.92/x
  3. Step 3: Cross multiply
    106,655.42x = 147,171.88 × 58,905.92
  4. Step 4: Simplify right side
    106,655.42x = 8,669,294,989.53
  5. Step 5: Solve for x
    x = 8,669,294,989.53/106,655.42
  6. Step 6: Final answer
    x = 81,283.21

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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.