Home / 70,277.43-96,921.54-49,819.04

Finding the Fourth Proportional to 70,277.43, 96,921.54 and 49,819.04

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Solution

The fourth proportional to 70,277.43, 96,921.54 and 49,819.04 is: 68,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277.43 : 96,921.54 = 49,819.04 : x
  2. Step 2: Convert to fraction form
    70,277.43/96,921.54 = 49,819.04/x
  3. Step 3: Cross multiply
    70,277.43x = 96,921.54 × 49,819.04
  4. Step 4: Simplify right side
    70,277.43x = 4,828,537,593.51
  5. Step 5: Solve for x
    x = 4,828,537,593.51/70,277.43
  6. Step 6: Final answer
    x = 68,706.80

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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.