Home / 99,791.04-149,607.06-57,623.34

Finding the Fourth Proportional to 99,791.04, 149,607.06 and 57,623.34

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Solution

The fourth proportional to 99,791.04, 149,607.06 and 57,623.34 is: 86,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,791.04 : 149,607.06 = 57,623.34 : x
  2. Step 2: Convert to fraction form
    99,791.04/149,607.06 = 57,623.34/x
  3. Step 3: Cross multiply
    99,791.04x = 149,607.06 × 57,623.34
  4. Step 4: Simplify right side
    99,791.04x = 8,620,858,484.78
  5. Step 5: Solve for x
    x = 8,620,858,484.78/99,791.04
  6. Step 6: Final answer
    x = 86,389.10

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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.