Home / 72,182.64-108,247-24,784.28

Finding the Fourth Proportional to 72,182.64, 108,247 and 24,784.28

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Solution

The fourth proportional to 72,182.64, 108,247 and 24,784.28 is: 37,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,182.64 : 108,247 = 24,784.28 : x
  2. Step 2: Convert to fraction form
    72,182.64/108,247 = 24,784.28/x
  3. Step 3: Cross multiply
    72,182.64x = 108,247 × 24,784.28
  4. Step 4: Simplify right side
    72,182.64x = 2,682,823,957.16
  5. Step 5: Solve for x
    x = 2,682,823,957.16/72,182.64
  6. Step 6: Final answer
    x = 37,167.16

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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.