Home / 92,911.24-128,217.72-50,468.84

Finding the Fourth Proportional to 92,911.24, 128,217.72 and 50,468.84

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Solution

The fourth proportional to 92,911.24, 128,217.72 and 50,468.84 is: 69,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,911.24 : 128,217.72 = 50,468.84 : x
  2. Step 2: Convert to fraction form
    92,911.24/128,217.72 = 50,468.84/x
  3. Step 3: Cross multiply
    92,911.24x = 128,217.72 × 50,468.84
  4. Step 4: Simplify right side
    92,911.24x = 6,470,999,595.84
  5. Step 5: Solve for x
    x = 6,470,999,595.84/92,911.24
  6. Step 6: Final answer
    x = 69,647.11

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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.