Home / 72,979.23-109,485.24-23,062.32

Finding the Fourth Proportional to 72,979.23, 109,485.24 and 23,062.32

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Solution

The fourth proportional to 72,979.23, 109,485.24 and 23,062.32 is: 34,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,979.23 : 109,485.24 = 23,062.32 : x
  2. Step 2: Convert to fraction form
    72,979.23/109,485.24 = 23,062.32/x
  3. Step 3: Cross multiply
    72,979.23x = 109,485.24 × 23,062.32
  4. Step 4: Simplify right side
    72,979.23x = 2,524,983,640.16
  5. Step 5: Solve for x
    x = 2,524,983,640.16/72,979.23
  6. Step 6: Final answer
    x = 34,598.66

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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.