Home / 124,972.74-172,461.66-67,611.90

Finding the Fourth Proportional to 124,972.74, 172,461.66 and 67,611.90

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Solution

The fourth proportional to 124,972.74, 172,461.66 and 67,611.90 is: 93,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.74 : 172,461.66 = 67,611.90 : x
  2. Step 2: Convert to fraction form
    124,972.74/172,461.66 = 67,611.90/x
  3. Step 3: Cross multiply
    124,972.74x = 172,461.66 × 67,611.90
  4. Step 4: Simplify right side
    124,972.74x = 11,660,460,509.75
  5. Step 5: Solve for x
    x = 11,660,460,509.75/124,972.74
  6. Step 6: Final answer
    x = 93,304.03

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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.