Home / 106,770.79-147,332.41-59,016.43

Finding the Fourth Proportional to 106,770.79, 147,332.41 and 59,016.43

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Solution

The fourth proportional to 106,770.79, 147,332.41 and 59,016.43 is: 81,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,770.79 : 147,332.41 = 59,016.43 : x
  2. Step 2: Convert to fraction form
    106,770.79/147,332.41 = 59,016.43/x
  3. Step 3: Cross multiply
    106,770.79x = 147,332.41 × 59,016.43
  4. Step 4: Simplify right side
    106,770.79x = 8,695,032,861.50
  5. Step 5: Solve for x
    x = 8,695,032,861.50/106,770.79
  6. Step 6: Final answer
    x = 81,436.44

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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.