Home / 105,822.42-146,012.13-61,084.50

Finding the Fourth Proportional to 105,822.42, 146,012.13 and 61,084.50

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Solution

The fourth proportional to 105,822.42, 146,012.13 and 61,084.50 is: 84,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,822.42 : 146,012.13 = 61,084.50 : x
  2. Step 2: Convert to fraction form
    105,822.42/146,012.13 = 61,084.50/x
  3. Step 3: Cross multiply
    105,822.42x = 146,012.13 × 61,084.50
  4. Step 4: Simplify right side
    105,822.42x = 8,919,077,954.99
  5. Step 5: Solve for x
    x = 8,919,077,954.99/105,822.42
  6. Step 6: Final answer
    x = 84,283.44

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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.