Home / 86,977.76-120,025.94-49,252.10

Finding the Fourth Proportional to 86,977.76, 120,025.94 and 49,252.10

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Solution

The fourth proportional to 86,977.76, 120,025.94 and 49,252.10 is: 67,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977.76 : 120,025.94 = 49,252.10 : x
  2. Step 2: Convert to fraction form
    86,977.76/120,025.94 = 49,252.10/x
  3. Step 3: Cross multiply
    86,977.76x = 120,025.94 × 49,252.10
  4. Step 4: Simplify right side
    86,977.76x = 5,911,529,599.47
  5. Step 5: Solve for x
    x = 5,911,529,599.47/86,977.76
  6. Step 6: Final answer
    x = 67,965.99

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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.