Home / 52,203.34-78,346.59-18,932.95

Finding the Fourth Proportional to 52,203.34, 78,346.59 and 18,932.95

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Solution

The fourth proportional to 52,203.34, 78,346.59 and 18,932.95 is: 28,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,203.34 : 78,346.59 = 18,932.95 : x
  2. Step 2: Convert to fraction form
    52,203.34/78,346.59 = 18,932.95/x
  3. Step 3: Cross multiply
    52,203.34x = 78,346.59 × 18,932.95
  4. Step 4: Simplify right side
    52,203.34x = 1,483,332,071.14
  5. Step 5: Solve for x
    x = 1,483,332,071.14/52,203.34
  6. Step 6: Final answer
    x = 28,414.51

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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.