Home / 87,527.70-120,788.92-49,804.38

Finding the Fourth Proportional to 87,527.70, 120,788.92 and 49,804.38

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Solution

The fourth proportional to 87,527.70, 120,788.92 and 49,804.38 is: 68,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,527.70 : 120,788.92 = 49,804.38 : x
  2. Step 2: Convert to fraction form
    87,527.70/120,788.92 = 49,804.38/x
  3. Step 3: Cross multiply
    87,527.70x = 120,788.92 × 49,804.38
  4. Step 4: Simplify right side
    87,527.70x = 6,015,817,271.47
  5. Step 5: Solve for x
    x = 6,015,817,271.47/87,527.70
  6. Step 6: Final answer
    x = 68,730.44

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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.