Home / 52,268.08-72,125.68-30,754.36

Finding the Fourth Proportional to 52,268.08, 72,125.68 and 30,754.36

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Solution

The fourth proportional to 52,268.08, 72,125.68 and 30,754.36 is: 42,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,268.08 : 72,125.68 = 30,754.36 : x
  2. Step 2: Convert to fraction form
    52,268.08/72,125.68 = 30,754.36/x
  3. Step 3: Cross multiply
    52,268.08x = 72,125.68 × 30,754.36
  4. Step 4: Simplify right side
    52,268.08x = 2,218,179,127.96
  5. Step 5: Solve for x
    x = 2,218,179,127.96/52,268.08
  6. Step 6: Final answer
    x = 42,438.50

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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.