Home / 72,848.64-100,477.20-50,195.04

Finding the Fourth Proportional to 72,848.64, 100,477.20 and 50,195.04

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Solution

The fourth proportional to 72,848.64, 100,477.20 and 50,195.04 is: 69,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,848.64 : 100,477.20 = 50,195.04 : x
  2. Step 2: Convert to fraction form
    72,848.64/100,477.20 = 50,195.04/x
  3. Step 3: Cross multiply
    72,848.64x = 100,477.20 × 50,195.04
  4. Step 4: Simplify right side
    72,848.64x = 5,043,457,073.09
  5. Step 5: Solve for x
    x = 5,043,457,073.09/72,848.64
  6. Step 6: Final answer
    x = 69,232.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.