Home / 106,001.11-146,290.51-72,084.84

Finding the Fourth Proportional to 106,001.11, 146,290.51 and 72,084.84

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Solution

The fourth proportional to 106,001.11, 146,290.51 and 72,084.84 is: 99,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,001.11 : 146,290.51 = 72,084.84 : x
  2. Step 2: Convert to fraction form
    106,001.11/146,290.51 = 72,084.84/x
  3. Step 3: Cross multiply
    106,001.11x = 146,290.51 × 72,084.84
  4. Step 4: Simplify right side
    106,001.11x = 10,545,328,006.87
  5. Step 5: Solve for x
    x = 10,545,328,006.87/106,001.11
  6. Step 6: Final answer
    x = 99,483.18

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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.