Home / 106,527.15-147,014.60-61,219.80

Finding the Fourth Proportional to 106,527.15, 147,014.60 and 61,219.80

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Solution

The fourth proportional to 106,527.15, 147,014.60 and 61,219.80 is: 84,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,527.15 : 147,014.60 = 61,219.80 : x
  2. Step 2: Convert to fraction form
    106,527.15/147,014.60 = 61,219.80/x
  3. Step 3: Cross multiply
    106,527.15x = 147,014.60 × 61,219.80
  4. Step 4: Simplify right side
    106,527.15x = 9,000,204,102.98
  5. Step 5: Solve for x
    x = 9,000,204,102.98/106,527.15
  6. Step 6: Final answer
    x = 84,487.42

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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.