Home / 53,137.13-73,322.87-30,474.95

Finding the Fourth Proportional to 53,137.13, 73,322.87 and 30,474.95

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Solution

The fourth proportional to 53,137.13, 73,322.87 and 30,474.95 is: 42,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.13 : 73,322.87 = 30,474.95 : x
  2. Step 2: Convert to fraction form
    53,137.13/73,322.87 = 30,474.95/x
  3. Step 3: Cross multiply
    53,137.13x = 73,322.87 × 30,474.95
  4. Step 4: Simplify right side
    53,137.13x = 2,234,510,278.12
  5. Step 5: Solve for x
    x = 2,234,510,278.12/53,137.13
  6. Step 6: Final answer
    x = 42,051.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.