Home / 124,748.13-172,148.67-68,159.46

Finding the Fourth Proportional to 124,748.13, 172,148.67 and 68,159.46

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Solution

The fourth proportional to 124,748.13, 172,148.67 and 68,159.46 is: 94,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.13 : 172,148.67 = 68,159.46 : x
  2. Step 2: Convert to fraction form
    124,748.13/172,148.67 = 68,159.46/x
  3. Step 3: Cross multiply
    124,748.13x = 172,148.67 × 68,159.46
  4. Step 4: Simplify right side
    124,748.13x = 11,733,560,386.92
  5. Step 5: Solve for x
    x = 11,733,560,386.92/124,748.13
  6. Step 6: Final answer
    x = 94,058.01

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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.