Home / 81,656.85-122,499.60-37,288.08

Finding the Fourth Proportional to 81,656.85, 122,499.60 and 37,288.08

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Solution

The fourth proportional to 81,656.85, 122,499.60 and 37,288.08 is: 55,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656.85 : 122,499.60 = 37,288.08 : x
  2. Step 2: Convert to fraction form
    81,656.85/122,499.60 = 37,288.08/x
  3. Step 3: Cross multiply
    81,656.85x = 122,499.60 × 37,288.08
  4. Step 4: Simplify right side
    81,656.85x = 4,567,774,884.77
  5. Step 5: Solve for x
    x = 4,567,774,884.77/81,656.85
  6. Step 6: Final answer
    x = 55,938.66

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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.