Home / 52,746.08-72,789.70-28,874.28

Finding the Fourth Proportional to 52,746.08, 72,789.70 and 28,874.28

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Solution

The fourth proportional to 52,746.08, 72,789.70 and 28,874.28 is: 39,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.08 : 72,789.70 = 28,874.28 : x
  2. Step 2: Convert to fraction form
    52,746.08/72,789.70 = 28,874.28/x
  3. Step 3: Cross multiply
    52,746.08x = 72,789.70 × 28,874.28
  4. Step 4: Simplify right side
    52,746.08x = 2,101,750,178.92
  5. Step 5: Solve for x
    x = 2,101,750,178.92/52,746.08
  6. Step 6: Final answer
    x = 39,846.57

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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.