Home / 123,822.60-185,723.10-40,716.60

Finding the Fourth Proportional to 123,822.60, 185,723.10 and 40,716.60

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Solution

The fourth proportional to 123,822.60, 185,723.10 and 40,716.60 is: 61,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822.60 : 185,723.10 = 40,716.60 : x
  2. Step 2: Convert to fraction form
    123,822.60/185,723.10 = 40,716.60/x
  3. Step 3: Cross multiply
    123,822.60x = 185,723.10 × 40,716.60
  4. Step 4: Simplify right side
    123,822.60x = 7,562,013,173.46
  5. Step 5: Solve for x
    x = 7,562,013,173.46/123,822.60
  6. Step 6: Final answer
    x = 61,071.35

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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.