Home / 70,623.16-105,934.60-18,032.68

Finding the Fourth Proportional to 70,623.16, 105,934.60 and 18,032.68

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Solution

The fourth proportional to 70,623.16, 105,934.60 and 18,032.68 is: 27,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.16 : 105,934.60 = 18,032.68 : x
  2. Step 2: Convert to fraction form
    70,623.16/105,934.60 = 18,032.68/x
  3. Step 3: Cross multiply
    70,623.16x = 105,934.60 × 18,032.68
  4. Step 4: Simplify right side
    70,623.16x = 1,910,284,742.73
  5. Step 5: Solve for x
    x = 1,910,284,742.73/70,623.16
  6. Step 6: Final answer
    x = 27,048.98

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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.