Home / 68,881.16-95,031.55-45,021.59

Finding the Fourth Proportional to 68,881.16, 95,031.55 and 45,021.59

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Solution

The fourth proportional to 68,881.16, 95,031.55 and 45,021.59 is: 62,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,881.16 : 95,031.55 = 45,021.59 : x
  2. Step 2: Convert to fraction form
    68,881.16/95,031.55 = 45,021.59/x
  3. Step 3: Cross multiply
    68,881.16x = 95,031.55 × 45,021.59
  4. Step 4: Simplify right side
    68,881.16x = 4,278,470,893.45
  5. Step 5: Solve for x
    x = 4,278,470,893.45/68,881.16
  6. Step 6: Final answer
    x = 62,113.81

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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.