Home / 74,025.40-111,038.10-27,272.20

Finding the Fourth Proportional to 74,025.40, 111,038.10 and 27,272.20

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Solution

The fourth proportional to 74,025.40, 111,038.10 and 27,272.20 is: 40,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025.40 : 111,038.10 = 27,272.20 : x
  2. Step 2: Convert to fraction form
    74,025.40/111,038.10 = 27,272.20/x
  3. Step 3: Cross multiply
    74,025.40x = 111,038.10 × 27,272.20
  4. Step 4: Simplify right side
    74,025.40x = 3,028,253,270.82
  5. Step 5: Solve for x
    x = 3,028,253,270.82/74,025.40
  6. Step 6: Final answer
    x = 40,908.30

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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.