Home / 124,701.70-187,052.55-31,207.30

Finding the Fourth Proportional to 124,701.70, 187,052.55 and 31,207.30

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Solution

The fourth proportional to 124,701.70, 187,052.55 and 31,207.30 is: 46,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.70 : 187,052.55 = 31,207.30 : x
  2. Step 2: Convert to fraction form
    124,701.70/187,052.55 = 31,207.30/x
  3. Step 3: Cross multiply
    124,701.70x = 187,052.55 × 31,207.30
  4. Step 4: Simplify right side
    124,701.70x = 5,837,405,043.62
  5. Step 5: Solve for x
    x = 5,837,405,043.62/124,701.70
  6. Step 6: Final answer
    x = 46,810.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.