Home / 72,939.07-109,408.62-23,023.06

Finding the Fourth Proportional to 72,939.07, 109,408.62 and 23,023.06

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Solution

The fourth proportional to 72,939.07, 109,408.62 and 23,023.06 is: 34,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,939.07 : 109,408.62 = 23,023.06 : x
  2. Step 2: Convert to fraction form
    72,939.07/109,408.62 = 23,023.06/x
  3. Step 3: Cross multiply
    72,939.07x = 109,408.62 × 23,023.06
  4. Step 4: Simplify right side
    72,939.07x = 2,518,921,035.59
  5. Step 5: Solve for x
    x = 2,518,921,035.59/72,939.07
  6. Step 6: Final answer
    x = 34,534.59

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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.