Home / 124,747.63-172,151.66-68,159.00

Finding the Fourth Proportional to 124,747.63, 172,151.66 and 68,159.00

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Solution

The fourth proportional to 124,747.63, 172,151.66 and 68,159.00 is: 94,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,747.63 : 172,151.66 = 68,159.00 : x
  2. Step 2: Convert to fraction form
    124,747.63/172,151.66 = 68,159.00/x
  3. Step 3: Cross multiply
    124,747.63x = 172,151.66 × 68,159.00
  4. Step 4: Simplify right side
    124,747.63x = 11,733,685,594.72
  5. Step 5: Solve for x
    x = 11,733,685,594.72/124,747.63
  6. Step 6: Final answer
    x = 94,059.39

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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.