Home / 52,833.32-72,911.85-28,959.99

Finding the Fourth Proportional to 52,833.32, 72,911.85 and 28,959.99

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Solution

The fourth proportional to 52,833.32, 72,911.85 and 28,959.99 is: 39,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,833.32 : 72,911.85 = 28,959.99 : x
  2. Step 2: Convert to fraction form
    52,833.32/72,911.85 = 28,959.99/x
  3. Step 3: Cross multiply
    52,833.32x = 72,911.85 × 28,959.99
  4. Step 4: Simplify right side
    52,833.32x = 2,111,526,446.88
  5. Step 5: Solve for x
    x = 2,111,526,446.88/52,833.32
  6. Step 6: Final answer
    x = 39,965.81

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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.