Home / 52,705.92-72,734.18-28,832.76

Finding the Fourth Proportional to 52,705.92, 72,734.18 and 28,832.76

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Solution

The fourth proportional to 52,705.92, 72,734.18 and 28,832.76 is: 39,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.92 : 72,734.18 = 28,832.76 : x
  2. Step 2: Convert to fraction form
    52,705.92/72,734.18 = 28,832.76/x
  3. Step 3: Cross multiply
    52,705.92x = 72,734.18 × 28,832.76
  4. Step 4: Simplify right side
    52,705.92x = 2,097,127,011.57
  5. Step 5: Solve for x
    x = 2,097,127,011.57/52,705.92
  6. Step 6: Final answer
    x = 39,789.21

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1.5x scale

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.