Home / 92,890.08-139,351.86-33,808.68

Finding the Fourth Proportional to 92,890.08, 139,351.86 and 33,808.68

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Solution

The fourth proportional to 92,890.08, 139,351.86 and 33,808.68 is: 50,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.08 : 139,351.86 = 33,808.68 : x
  2. Step 2: Convert to fraction form
    92,890.08/139,351.86 = 33,808.68/x
  3. Step 3: Cross multiply
    92,890.08x = 139,351.86 × 33,808.68
  4. Step 4: Simplify right side
    92,890.08x = 4,711,302,442.14
  5. Step 5: Solve for x
    x = 4,711,302,442.14/92,890.08
  6. Step 6: Final answer
    x = 50,719.11

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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.