Home / 124,748.07-172,152.03-68,159.85

Finding the Fourth Proportional to 124,748.07, 172,152.03 and 68,159.85

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Solution

The fourth proportional to 124,748.07, 172,152.03 and 68,159.85 is: 94,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.07 : 172,152.03 = 68,159.85 : x
  2. Step 2: Convert to fraction form
    124,748.07/172,152.03 = 68,159.85/x
  3. Step 3: Cross multiply
    124,748.07x = 172,152.03 × 68,159.85
  4. Step 4: Simplify right side
    124,748.07x = 11,733,856,542.00
  5. Step 5: Solve for x
    x = 11,733,856,542.00/124,748.07
  6. Step 6: Final answer
    x = 94,060.43

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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.