Home / 124,934.72-172,411.27-68,344.88

Finding the Fourth Proportional to 124,934.72, 172,411.27 and 68,344.88

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Solution

The fourth proportional to 124,934.72, 172,411.27 and 68,344.88 is: 94,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,934.72 : 172,411.27 = 68,344.88 : x
  2. Step 2: Convert to fraction form
    124,934.72/172,411.27 = 68,344.88/x
  3. Step 3: Cross multiply
    124,934.72x = 172,411.27 × 68,344.88
  4. Step 4: Simplify right side
    124,934.72x = 11,783,426,525.88
  5. Step 5: Solve for x
    x = 11,783,426,525.88/124,934.72
  6. Step 6: Final answer
    x = 94,316.67

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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.