Home / 102,589.86-153,786.33-32,421.18

Finding the Fourth Proportional to 102,589.86, 153,786.33 and 32,421.18

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Solution

The fourth proportional to 102,589.86, 153,786.33 and 32,421.18 is: 48,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,589.86 : 153,786.33 = 32,421.18 : x
  2. Step 2: Convert to fraction form
    102,589.86/153,786.33 = 32,421.18/x
  3. Step 3: Cross multiply
    102,589.86x = 153,786.33 × 32,421.18
  4. Step 4: Simplify right side
    102,589.86x = 4,985,934,286.47
  5. Step 5: Solve for x
    x = 4,985,934,286.47/102,589.86
  6. Step 6: Final answer
    x = 48,600.65

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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.