Home / 124,026.75-171,156.92-67,438.53

Finding the Fourth Proportional to 124,026.75, 171,156.92 and 67,438.53

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Solution

The fourth proportional to 124,026.75, 171,156.92 and 67,438.53 is: 93,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,026.75 : 171,156.92 = 67,438.53 : x
  2. Step 2: Convert to fraction form
    124,026.75/171,156.92 = 67,438.53/x
  3. Step 3: Cross multiply
    124,026.75x = 171,156.92 × 67,438.53
  4. Step 4: Simplify right side
    124,026.75x = 11,542,570,746.94
  5. Step 5: Solve for x
    x = 11,542,570,746.94/124,026.75
  6. Step 6: Final answer
    x = 93,065.17

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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.