Home / 52,285.76-72,152.89-28,411.64

Finding the Fourth Proportional to 52,285.76, 72,152.89 and 28,411.64

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Solution

The fourth proportional to 52,285.76, 72,152.89 and 28,411.64 is: 39,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.76 : 72,152.89 = 28,411.64 : x
  2. Step 2: Convert to fraction form
    52,285.76/72,152.89 = 28,411.64/x
  3. Step 3: Cross multiply
    52,285.76x = 72,152.89 × 28,411.64
  4. Step 4: Simplify right side
    52,285.76x = 2,049,981,503.85
  5. Step 5: Solve for x
    x = 2,049,981,503.85/52,285.76
  6. Step 6: Final answer
    x = 39,207.27

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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.