Home / 72,775.02-109,165.62-25,394.88

Finding the Fourth Proportional to 72,775.02, 109,165.62 and 25,394.88

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Solution

The fourth proportional to 72,775.02, 109,165.62 and 25,394.88 is: 38,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,775.02 : 109,165.62 = 25,394.88 : x
  2. Step 2: Convert to fraction form
    72,775.02/109,165.62 = 25,394.88/x
  3. Step 3: Cross multiply
    72,775.02x = 109,165.62 × 25,394.88
  4. Step 4: Simplify right side
    72,775.02x = 2,772,247,820.03
  5. Step 5: Solve for x
    x = 2,772,247,820.03/72,775.02
  6. Step 6: Final answer
    x = 38,093.40

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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.