Home / 74,315.91-111,473.47-18,156.33

Finding the Fourth Proportional to 74,315.91, 111,473.47 and 18,156.33

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Solution

The fourth proportional to 74,315.91, 111,473.47 and 18,156.33 is: 27,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.91 : 111,473.47 = 18,156.33 : x
  2. Step 2: Convert to fraction form
    74,315.91/111,473.47 = 18,156.33/x
  3. Step 3: Cross multiply
    74,315.91x = 111,473.47 × 18,156.33
  4. Step 4: Simplify right side
    74,315.91x = 2,023,948,714.61
  5. Step 5: Solve for x
    x = 2,023,948,714.61/74,315.91
  6. Step 6: Final answer
    x = 27,234.39

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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.