Home / 72,925.52-109,378.32-28,583.26

Finding the Fourth Proportional to 72,925.52, 109,378.32 and 28,583.26

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Solution

The fourth proportional to 72,925.52, 109,378.32 and 28,583.26 is: 42,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,925.52 : 109,378.32 = 28,583.26 : x
  2. Step 2: Convert to fraction form
    72,925.52/109,378.32 = 28,583.26/x
  3. Step 3: Cross multiply
    72,925.52x = 109,378.32 × 28,583.26
  4. Step 4: Simplify right side
    72,925.52x = 3,126,388,958.92
  5. Step 5: Solve for x
    x = 3,126,388,958.92/72,925.52
  6. Step 6: Final answer
    x = 42,870.99

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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.