Home / 72,924.32-109,391.84-26,177.60

Finding the Fourth Proportional to 72,924.32, 109,391.84 and 26,177.60

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Solution

The fourth proportional to 72,924.32, 109,391.84 and 26,177.60 is: 39,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,924.32 : 109,391.84 = 26,177.60 : x
  2. Step 2: Convert to fraction form
    72,924.32/109,391.84 = 26,177.60/x
  3. Step 3: Cross multiply
    72,924.32x = 109,391.84 × 26,177.60
  4. Step 4: Simplify right side
    72,924.32x = 2,863,615,830.78
  5. Step 5: Solve for x
    x = 2,863,615,830.78/72,924.32
  6. Step 6: Final answer
    x = 39,268.32

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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.