Home / 124,744.74-172,147.80-67,384.06

Finding the Fourth Proportional to 124,744.74, 172,147.80 and 67,384.06

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Solution

The fourth proportional to 124,744.74, 172,147.80 and 67,384.06 is: 92,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.74 : 172,147.80 = 67,384.06 : x
  2. Step 2: Convert to fraction form
    124,744.74/172,147.80 = 67,384.06/x
  3. Step 3: Cross multiply
    124,744.74x = 172,147.80 × 67,384.06
  4. Step 4: Simplify right side
    124,744.74x = 11,600,017,684.07
  5. Step 5: Solve for x
    x = 11,600,017,684.07/124,744.74
  6. Step 6: Final answer
    x = 92,990.03

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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.