Home / 61,186.34-91,782.92-16,812.11

Finding the Fourth Proportional to 61,186.34, 91,782.92 and 16,812.11

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Solution

The fourth proportional to 61,186.34, 91,782.92 and 16,812.11 is: 25,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,186.34 : 91,782.92 = 16,812.11 : x
  2. Step 2: Convert to fraction form
    61,186.34/91,782.92 = 16,812.11/x
  3. Step 3: Cross multiply
    61,186.34x = 91,782.92 × 16,812.11
  4. Step 4: Simplify right side
    61,186.34x = 1,543,064,302.37
  5. Step 5: Solve for x
    x = 1,543,064,302.37/61,186.34
  6. Step 6: Final answer
    x = 25,219.10

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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.