Home / 55,111.64-82,678.10-23,521.24

Finding the Fourth Proportional to 55,111.64, 82,678.10 and 23,521.24

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Solution

The fourth proportional to 55,111.64, 82,678.10 and 23,521.24 is: 35,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.64 : 82,678.10 = 23,521.24 : x
  2. Step 2: Convert to fraction form
    55,111.64/82,678.10 = 23,521.24/x
  3. Step 3: Cross multiply
    55,111.64x = 82,678.10 × 23,521.24
  4. Step 4: Simplify right side
    55,111.64x = 1,944,691,432.84
  5. Step 5: Solve for x
    x = 1,944,691,432.84/55,111.64
  6. Step 6: Final answer
    x = 35,286.40

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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.