Home / 124,748.63-172,153.04-68,160

Finding the Fourth Proportional to 124,748.63, 172,153.04 and 68,160

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Solution

The fourth proportional to 124,748.63, 172,153.04 and 68,160 is: 94,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.63 : 172,153.04 = 68,160 : x
  2. Step 2: Convert to fraction form
    124,748.63/172,153.04 = 68,160/x
  3. Step 3: Cross multiply
    124,748.63x = 172,153.04 × 68,160
  4. Step 4: Simplify right side
    124,748.63x = 11,733,951,206.40
  5. Step 5: Solve for x
    x = 11,733,951,206.40/124,748.63
  6. Step 6: Final answer
    x = 94,060.76

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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.