Home / 99,105.24-148,699.48-61,696.60

Finding the Fourth Proportional to 99,105.24, 148,699.48 and 61,696.60

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Solution

The fourth proportional to 99,105.24, 148,699.48 and 61,696.60 is: 92,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,105.24 : 148,699.48 = 61,696.60 : x
  2. Step 2: Convert to fraction form
    99,105.24/148,699.48 = 61,696.60/x
  3. Step 3: Cross multiply
    99,105.24x = 148,699.48 × 61,696.60
  4. Step 4: Simplify right side
    99,105.24x = 9,174,252,337.77
  5. Step 5: Solve for x
    x = 9,174,252,337.77/99,105.24
  6. Step 6: Final answer
    x = 92,570.81

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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.