Home / 99,556.17-149,133.78-49,484.40

Finding the Fourth Proportional to 99,556.17, 149,133.78 and 49,484.40

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Solution

The fourth proportional to 99,556.17, 149,133.78 and 49,484.40 is: 74,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,556.17 : 149,133.78 = 49,484.40 : x
  2. Step 2: Convert to fraction form
    99,556.17/149,133.78 = 49,484.40/x
  3. Step 3: Cross multiply
    99,556.17x = 149,133.78 × 49,484.40
  4. Step 4: Simplify right side
    99,556.17x = 7,379,795,623.03
  5. Step 5: Solve for x
    x = 7,379,795,623.03/99,556.17
  6. Step 6: Final answer
    x = 74,126.95

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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.