Home / 77,271.12-115,867.32-35,682

Finding the Fourth Proportional to 77,271.12, 115,867.32 and 35,682

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Solution

The fourth proportional to 77,271.12, 115,867.32 and 35,682 is: 53,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,271.12 : 115,867.32 = 35,682 : x
  2. Step 2: Convert to fraction form
    77,271.12/115,867.32 = 35,682/x
  3. Step 3: Cross multiply
    77,271.12x = 115,867.32 × 35,682
  4. Step 4: Simplify right side
    77,271.12x = 4,134,377,712.24
  5. Step 5: Solve for x
    x = 4,134,377,712.24/77,271.12
  6. Step 6: Final answer
    x = 53,504.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.