Home / 71,128.14-98,113.46-45,625.92

Finding the Fourth Proportional to 71,128.14, 98,113.46 and 45,625.92

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Solution

The fourth proportional to 71,128.14, 98,113.46 and 45,625.92 is: 62,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,128.14 : 98,113.46 = 45,625.92 : x
  2. Step 2: Convert to fraction form
    71,128.14/98,113.46 = 45,625.92/x
  3. Step 3: Cross multiply
    71,128.14x = 98,113.46 × 45,625.92
  4. Step 4: Simplify right side
    71,128.14x = 4,476,516,648.75
  5. Step 5: Solve for x
    x = 4,476,516,648.75/71,128.14
  6. Step 6: Final answer
    x = 62,935.94

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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.