Home / 92,071.14-138,135.90-32,905.50

Finding the Fourth Proportional to 92,071.14, 138,135.90 and 32,905.50

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Solution

The fourth proportional to 92,071.14, 138,135.90 and 32,905.50 is: 49,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,071.14 : 138,135.90 = 32,905.50 : x
  2. Step 2: Convert to fraction form
    92,071.14/138,135.90 = 32,905.50/x
  3. Step 3: Cross multiply
    92,071.14x = 138,135.90 × 32,905.50
  4. Step 4: Simplify right side
    92,071.14x = 4,545,430,857.45
  5. Step 5: Solve for x
    x = 4,545,430,857.45/92,071.14
  6. Step 6: Final answer
    x = 49,368.68

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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.