Home / 123,693.36-185,540.45-52,605.87

Finding the Fourth Proportional to 123,693.36, 185,540.45 and 52,605.87

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Solution

The fourth proportional to 123,693.36, 185,540.45 and 52,605.87 is: 78,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,693.36 : 185,540.45 = 52,605.87 : x
  2. Step 2: Convert to fraction form
    123,693.36/185,540.45 = 52,605.87/x
  3. Step 3: Cross multiply
    123,693.36x = 185,540.45 × 52,605.87
  4. Step 4: Simplify right side
    123,693.36x = 9,760,516,529.41
  5. Step 5: Solve for x
    x = 9,760,516,529.41/123,693.36
  6. Step 6: Final answer
    x = 78,908.98

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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.