Home / 72,190.60-108,295.23-27,830.04

Finding the Fourth Proportional to 72,190.60, 108,295.23 and 27,830.04

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Solution

The fourth proportional to 72,190.60, 108,295.23 and 27,830.04 is: 41,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,190.60 : 108,295.23 = 27,830.04 : x
  2. Step 2: Convert to fraction form
    72,190.60/108,295.23 = 27,830.04/x
  3. Step 3: Cross multiply
    72,190.60x = 108,295.23 × 27,830.04
  4. Step 4: Simplify right side
    72,190.60x = 3,013,860,582.71
  5. Step 5: Solve for x
    x = 3,013,860,582.71/72,190.60
  6. Step 6: Final answer
    x = 41,748.66

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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.