Home / 72,771.08-109,156.62-26,037.32

Finding the Fourth Proportional to 72,771.08, 109,156.62 and 26,037.32

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Solution

The fourth proportional to 72,771.08, 109,156.62 and 26,037.32 is: 39,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,771.08 : 109,156.62 = 26,037.32 : x
  2. Step 2: Convert to fraction form
    72,771.08/109,156.62 = 26,037.32/x
  3. Step 3: Cross multiply
    72,771.08x = 109,156.62 × 26,037.32
  4. Step 4: Simplify right side
    72,771.08x = 2,842,145,845.06
  5. Step 5: Solve for x
    x = 2,842,145,845.06/72,771.08
  6. Step 6: Final answer
    x = 39,055.98

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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.