Home / 99,132.98-148,621.71-49,177.94

Finding the Fourth Proportional to 99,132.98, 148,621.71 and 49,177.94

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Solution

The fourth proportional to 99,132.98, 148,621.71 and 49,177.94 is: 73,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,132.98 : 148,621.71 = 49,177.94 : x
  2. Step 2: Convert to fraction form
    99,132.98/148,621.71 = 49,177.94/x
  3. Step 3: Cross multiply
    99,132.98x = 148,621.71 × 49,177.94
  4. Step 4: Simplify right side
    99,132.98x = 7,308,909,537.08
  5. Step 5: Solve for x
    x = 7,308,909,537.08/99,132.98
  6. Step 6: Final answer
    x = 73,728.33

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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.