Home / 138,792.80-208,061.63-50,024.58

Finding the Fourth Proportional to 138,792.80, 208,061.63 and 50,024.58

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Solution

The fourth proportional to 138,792.80, 208,061.63 and 50,024.58 is: 74,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,792.80 : 208,061.63 = 50,024.58 : x
  2. Step 2: Convert to fraction form
    138,792.80/208,061.63 = 50,024.58/x
  3. Step 3: Cross multiply
    138,792.80x = 208,061.63 × 50,024.58
  4. Step 4: Simplify right side
    138,792.80x = 10,408,195,654.87
  5. Step 5: Solve for x
    x = 10,408,195,654.87/138,792.80
  6. Step 6: Final answer
    x = 74,990.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.