Home / 72,698.12-109,037.58-25,303.04

Finding the Fourth Proportional to 72,698.12, 109,037.58 and 25,303.04

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Solution

The fourth proportional to 72,698.12, 109,037.58 and 25,303.04 is: 37,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,698.12 : 109,037.58 = 25,303.04 : x
  2. Step 2: Convert to fraction form
    72,698.12/109,037.58 = 25,303.04/x
  3. Step 3: Cross multiply
    72,698.12x = 109,037.58 × 25,303.04
  4. Step 4: Simplify right side
    72,698.12x = 2,758,982,248.24
  5. Step 5: Solve for x
    x = 2,758,982,248.24/72,698.12
  6. Step 6: Final answer
    x = 37,951.22

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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.