Home / 72,927.14-109,346.92-28,500.93

Finding the Fourth Proportional to 72,927.14, 109,346.92 and 28,500.93

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Solution

The fourth proportional to 72,927.14, 109,346.92 and 28,500.93 is: 42,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.14 : 109,346.92 = 28,500.93 : x
  2. Step 2: Convert to fraction form
    72,927.14/109,346.92 = 28,500.93/x
  3. Step 3: Cross multiply
    72,927.14x = 109,346.92 × 28,500.93
  4. Step 4: Simplify right side
    72,927.14x = 3,116,488,841.38
  5. Step 5: Solve for x
    x = 3,116,488,841.38/72,927.14
  6. Step 6: Final answer
    x = 42,734.28

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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.