Home / 105,500.48-158,225.87-30,600.86

Finding the Fourth Proportional to 105,500.48, 158,225.87 and 30,600.86

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Solution

The fourth proportional to 105,500.48, 158,225.87 and 30,600.86 is: 45,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,500.48 : 158,225.87 = 30,600.86 : x
  2. Step 2: Convert to fraction form
    105,500.48/158,225.87 = 30,600.86/x
  3. Step 3: Cross multiply
    105,500.48x = 158,225.87 × 30,600.86
  4. Step 4: Simplify right side
    105,500.48x = 4,841,846,981.62
  5. Step 5: Solve for x
    x = 4,841,846,981.62/105,500.48
  6. Step 6: Final answer
    x = 45,894.08

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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.