Home / 93,081.22-139,619.40-29,905.68

Finding the Fourth Proportional to 93,081.22, 139,619.40 and 29,905.68

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Solution

The fourth proportional to 93,081.22, 139,619.40 and 29,905.68 is: 44,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,081.22 : 139,619.40 = 29,905.68 : x
  2. Step 2: Convert to fraction form
    93,081.22/139,619.40 = 29,905.68/x
  3. Step 3: Cross multiply
    93,081.22x = 139,619.40 × 29,905.68
  4. Step 4: Simplify right side
    93,081.22x = 4,175,413,098.19
  5. Step 5: Solve for x
    x = 4,175,413,098.19/93,081.22
  6. Step 6: Final answer
    x = 44,857.74

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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.