Home / 52,298.24-72,172-28,424.92

Finding the Fourth Proportional to 52,298.24, 72,172 and 28,424.92

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Solution

The fourth proportional to 52,298.24, 72,172 and 28,424.92 is: 39,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,298.24 : 72,172 = 28,424.92 : x
  2. Step 2: Convert to fraction form
    52,298.24/72,172 = 28,424.92/x
  3. Step 3: Cross multiply
    52,298.24x = 72,172 × 28,424.92
  4. Step 4: Simplify right side
    52,298.24x = 2,051,483,326.24
  5. Step 5: Solve for x
    x = 2,051,483,326.24/52,298.24
  6. Step 6: Final answer
    x = 39,226.62

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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.