Home / 106,960.64-147,607.85-63,984.47

Finding the Fourth Proportional to 106,960.64, 147,607.85 and 63,984.47

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Solution

The fourth proportional to 106,960.64, 147,607.85 and 63,984.47 is: 88,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,960.64 : 147,607.85 = 63,984.47 : x
  2. Step 2: Convert to fraction form
    106,960.64/147,607.85 = 63,984.47/x
  3. Step 3: Cross multiply
    106,960.64x = 147,607.85 × 63,984.47
  4. Step 4: Simplify right side
    106,960.64x = 9,444,609,472.01
  5. Step 5: Solve for x
    x = 9,444,609,472.01/106,960.64
  6. Step 6: Final answer
    x = 88,299.86

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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.