Home / 106,770.97-147,337.62-59,021.47

Finding the Fourth Proportional to 106,770.97, 147,337.62 and 59,021.47

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Solution

The fourth proportional to 106,770.97, 147,337.62 and 59,021.47 is: 81,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,770.97 : 147,337.62 = 59,021.47 : x
  2. Step 2: Convert to fraction form
    106,770.97/147,337.62 = 59,021.47/x
  3. Step 3: Cross multiply
    106,770.97x = 147,337.62 × 59,021.47
  4. Step 4: Simplify right side
    106,770.97x = 8,696,082,881.54
  5. Step 5: Solve for x
    x = 8,696,082,881.54/106,770.97
  6. Step 6: Final answer
    x = 81,446.13

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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.