Home / 72,699.12-109,039.08-25,304.04

Finding the Fourth Proportional to 72,699.12, 109,039.08 and 25,304.04

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Solution

The fourth proportional to 72,699.12, 109,039.08 and 25,304.04 is: 37,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,699.12 : 109,039.08 = 25,304.04 : x
  2. Step 2: Convert to fraction form
    72,699.12/109,039.08 = 25,304.04/x
  3. Step 3: Cross multiply
    72,699.12x = 109,039.08 × 25,304.04
  4. Step 4: Simplify right side
    72,699.12x = 2,759,129,241.88
  5. Step 5: Solve for x
    x = 2,759,129,241.88/72,699.12
  6. Step 6: Final answer
    x = 37,952.72

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1.5x scale

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.